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		<title>æ–°å¹´å–½ã€‚ã€‚ã€‚ã€‚ã€‚</title>
		<link>http://flymeteor.wordpress.com/2006/01/29/%e6%96%b0%e5%b9%b4%e5%96%bd%e3%80%82%e3%80%82%e3%80%82%e3%80%82%e3%80%82/</link>
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		<pubDate>Sat, 28 Jan 2006 16:05:08 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[éš?æƒ³æ?‚è°ˆ]]></category>

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		<link>http://flymeteor.wordpress.com/2006/01/27/%e6%9e%b6%e6%9e%84%e6%a0%b9%e6%8d%ae%e7%94%b5%e4%bf%a1%e3%80%81%e7%bd%91%e9%80%9a%e7%94%a8%e6%88%b7%e8%87%aa%e5%8a%a8%e8%a7%a3%e6%9e%90%e4%b8%8d%e5%90%8cip%e7%9a%84dns%e6%9c%8d%e5%8a%a1%e5%99%a8/</link>
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		<pubDate>Fri, 27 Jan 2006 11:12:56 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[Linux/Unix]]></category>

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		<description><![CDATA[åŽŸåˆ›å†…å®¹ï¼Œå¤§å®¶è§?ç¬‘äº†ã€‚åœ¨FBCHINAä¸Šé?¢å­¦åˆ°äº†å¤ªå¤šä¸œè¥¿ï¼Œè§‰å¾—è€?æ‹¿ä¹Ÿä¸?å¥½æ„?æ€?ï¼Œæ€»å½’æœ‰è‡ªå·±å¥‰çŒ®çš„æ—¶å€™ã€‚ /* * æž¶æž„æ ¹æ?®ç”µä¿¡ã€?ç½‘é€šç”¨æˆ·è‡ªåŠ¨è§£æž?ä¸?å?ŒIPçš„DNSæœ?åŠ¡å™¨ * æœ¬æ–‡ä»‹ç»?äº†å¦‚ä½•è®©DNSæœ?åŠ¡å™¨æ ¹æ?®ç”¨æˆ·çš„IPåœ°å?€è§£æž?å‡ºä¸?å?Œçš„é•œåƒ?æœ?åŠ¡å™¨IP * ç‰ˆæœ¬: 1.0.0 * ä½œè€…: å£°ä»”(å¥¶ç½©) * ç½‘ç«™: http://wuhongsheng.com * ç‰ˆæ?ƒ: (C) 1999-2006 wuhongsheng.com * ä¿®è®¢: 2005-12-12 11:24 * åŽŸå§‹å‡ºå¤„: http://wuhongsheng.com/blog/?p=235 */ æœ¬æ–‡æ¡£åŸºäºŽFreeBSDã€?BINDå¹³å?°ï¼ŒWinç”¨æˆ·è¯·å›žé?¿ï¼Œæ²¡æœ‰FreeBSDåŸºç¡€çš„ç”¨æˆ·è¯·å›žé?¿ã€‚Linuxæˆ–è€…å…¶ä»–Unixç”¨æˆ·å?¯ä»¥ä½œä¸ºå?‚è€ƒæ–‡æ¡£ã€‚ é…?ç½®æ­¥éª¤ï¼š 1. å‰?è¨€ 2. è½¯ä»¶åˆ—è¡¨ 3. å®‰è£…BIND 9 4. é…?ç½®BIND 9 5. æµ‹è¯•BIND 9 6. æ·»åŠ ä¸€ä¸ªNSåœ°å?€ 7. æ·»åŠ ä¸€ä¸ªåŸŸå?? 8. æµ‹è¯•åŸŸå?? ä¸€ã€? å‰?è¨€ æœ¬æ–‡å?‡è®¾ä½ æœ‰ä¸€å®šçš„FreeBSDæ“?ä½œç»?éªŒï¼Œæ‡‚å¾—æ—¥å¸¸çš„FreeBSDæ“?ä½œï¼Œæœ‰è‰¯å¥½çš„è€?å¿ƒï¼Œå?¯ä»¥ æŠŠæ–‡æ¡£çœ‹å®Œï¼Œå?¯ä»¥å¤„ç?†çª?å?‘çš„é—®é¢˜ã€‚ æœ¬æ–‡å†?å?‡è®¾ä½ å·²ç»?æœ‰äº†ä¸€ä¸ªåŸŸå??ï¼Œå¹¶ä¸”å·²ç»?æŒ‡å?‘æ‰€æ“?ä½œçš„æœ?åŠ¡å™¨ï¼Œæœ?åŠ¡å™¨çš„/etc/rc.conf å·²ç»?æ­£ç¡®çš„è®¾ç½®æ­¤åŸŸå??ã€‚åœ¨æœ¬æ–‡é‡Œé?¢ï¼Œæ­¤åŸŸå??ä¸ºns.naizhao.comï¼ŒIPä¸º219.132.1.1ã€‚ [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=flymeteor.wordpress.com&amp;blog=8391&amp;post=39&amp;subd=flymeteor&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>åŽŸåˆ›å†…å®¹ï¼Œå¤§å®¶è§?ç¬‘äº†ã€‚åœ¨FBCHINAä¸Šé?¢å­¦åˆ°äº†å¤ªå¤šä¸œè¥¿ï¼Œè§‰å¾—è€?æ‹¿ä¹Ÿä¸?å¥½æ„?æ€?ï¼Œæ€»å½’æœ‰è‡ªå·±å¥‰çŒ®çš„æ—¶å€™ã€‚<br />
/*<br />
* æž¶æž„æ ¹æ?®ç”µä¿¡ã€?ç½‘é€šç”¨æˆ·è‡ªåŠ¨è§£æž?ä¸?å?ŒIPçš„DNSæœ?åŠ¡å™¨<br />
* æœ¬æ–‡ä»‹ç»?äº†å¦‚ä½•è®©DNSæœ?åŠ¡å™¨æ ¹æ?®ç”¨æˆ·çš„IPåœ°å?€è§£æž?å‡ºä¸?å?Œçš„é•œåƒ?æœ?åŠ¡å™¨IP</p>
<p>* ç‰ˆæœ¬: 1.0.0<br />
* ä½œè€…: å£°ä»”(å¥¶ç½©)<br />
* ç½‘ç«™: http://wuhongsheng.com<br />
* ç‰ˆæ?ƒ: (C) 1999-2006 wuhongsheng.com<br />
* ä¿®è®¢: 2005-12-12 11:24<br />
* åŽŸå§‹å‡ºå¤„: http://wuhongsheng.com/blog/?p=235<br />
*/</p>
<p>æœ¬æ–‡æ¡£åŸºäºŽFreeBSDã€?BINDå¹³å?°ï¼ŒWinç”¨æˆ·è¯·å›žé?¿ï¼Œæ²¡æœ‰FreeBSDåŸºç¡€çš„ç”¨æˆ·è¯·å›žé?¿ã€‚Linuxæˆ–è€…å…¶ä»–Unixç”¨æˆ·å?¯ä»¥ä½œä¸ºå?‚è€ƒæ–‡æ¡£ã€‚</p>
<p>é…?ç½®æ­¥éª¤ï¼š<br />
1. å‰?è¨€<br />
2. è½¯ä»¶åˆ—è¡¨<br />
3. å®‰è£…BIND 9<br />
4. é…?ç½®BIND 9<br />
5. æµ‹è¯•BIND 9<br />
6. æ·»åŠ ä¸€ä¸ªNSåœ°å?€<br />
7. æ·»åŠ ä¸€ä¸ªåŸŸå??<br />
8. æµ‹è¯•åŸŸå??<br />
<span id="more-39"></span><br />
ä¸€ã€? å‰?è¨€<br />
æœ¬æ–‡å?‡è®¾ä½ æœ‰ä¸€å®šçš„FreeBSDæ“?ä½œç»?éªŒï¼Œæ‡‚å¾—æ—¥å¸¸çš„FreeBSDæ“?ä½œï¼Œæœ‰è‰¯å¥½çš„è€?å¿ƒï¼Œå?¯ä»¥<br />
æŠŠæ–‡æ¡£çœ‹å®Œï¼Œå?¯ä»¥å¤„ç?†çª?å?‘çš„é—®é¢˜ã€‚<br />
æœ¬æ–‡å†?å?‡è®¾ä½ å·²ç»?æœ‰äº†ä¸€ä¸ªåŸŸå??ï¼Œå¹¶ä¸”å·²ç»?æŒ‡å?‘æ‰€æ“?ä½œçš„æœ?åŠ¡å™¨ï¼Œæœ?åŠ¡å™¨çš„/etc/rc.conf<br />
å·²ç»?æ­£ç¡®çš„è®¾ç½®æ­¤åŸŸå??ã€‚åœ¨æœ¬æ–‡é‡Œé?¢ï¼Œæ­¤åŸŸå??ä¸ºns.naizhao.comï¼ŒIPä¸º219.132.1.1ã€‚<br />
/etc/rc.confå¦‚ä¸‹æ‰€è®¾ç½®<br />
hostname=&#8221;ns.naizhao.com&#8221; #æœºå™¨çš„åŸŸå??ï¼Œè¯·é…Œæƒ…ä¿®æ”¹<br />
ifconfig_fxp0=&#8221;inet 219.132.1.1 netmask 255.255.255.0&#8243; #æ­¤è¡Œå?¯èƒ½æœ‰æ‰€ä¸?å?Œï¼Œ<br />
è¯·åˆ«ç…§æŠ„ã€‚fxp0ä¸ºæˆ‘æœºå™¨ä¸Šé?¢çš„ç½‘å?¡ã€‚</p>
<p>äºŒã€? è½¯ä»¶åˆ—è¡¨<br />
æœ¬æ–‡æ‰€ç”¨åˆ°çš„è½¯ä»¶å?¯ä»Žä»¥ä¸‹åœ°å?€èŽ·å?–ã€‚è¿žæŽ¥åœ°å?€æœ€å?Žæ›´æ–°ä¸º2005/12/12</p>
<p>BIND 9.3.1<br />
ftp://ftp.isc.org/isc/bind9/9.3.1/bind-9.3.1.tar.gz</p>
<p>ä¸‰ã€? å®‰è£…BIND 9<br />
æˆ‘ä»¬å?‡è®¾ä½ å·²ç»?æŠŠBIND 9ä½¿ç”¨fetchæˆ–è€…wgetåˆ°/root/ä¸‹ï¼Œå¹¶ä¸”å·²ç»?suä¸ºrootã€‚<br />
# tar zxvf bind-9.3.1.tar.gz<br />
# cd bind-9.3.1<br />
# ./configure<br />
# make<br />
# make install<br />
# make clean<br />
åˆ°æ­¤ï¼ŒBIND 9å·²ç»?å®‰è£…ä¸Šäº†ã€‚å¦‚æžœå®‰è£…è¿‡ç¨‹ä¸­å‡ºçŽ°ä»€ä¹ˆé—®é¢˜ï¼Œä¸€èˆ¬ä¸?ä¼šæ˜¯ä½ çš„äººå“?æœ‰é—®é¢˜ï¼Œ<br />
è¯·åˆ†æž?é”™è¯¯ä¿¡æ?¯ï¼ŒæŠŠç¼ºå°‘çš„åŒ…ç»™å®‰è£…ä¸Šã€‚</p>
<p>å››ã€? é…?ç½®BIND 9<br />
å…ˆåˆ«æ€¥ï¼Œçœ‹çœ‹ä½ çš„BINDç‰ˆæœ¬å†?è¯´ã€‚<br />
# named -v<br />
å¦‚æžœä½ æ˜¯FreeBSD 4ï¼Œä¼°è®¡ä½ çœ‹åˆ°çš„æ??ç¤ºç±»ä¼¼ä¸‹é?¢çš„<br />
named 8.3.7-REL Sun Dec 12 04:15:36 CST 2004<br />
å¦‚æžœä½ æ˜¯FreeBSD 5ï¼Œä¼°è®¡ä½ ä¸?ä¼šçœ‹åˆ°ä¸Šé?¢çš„ä¿¡æ?¯ã€‚ç„¶å?Žæˆ‘ä»¬å†?æ?¥è¾“å…¥<br />
# /usr/local/sbin/named -v<br />
è¿™æ¬¡ï¼Œä¸?ç®¡ä½ æ˜¯FreeBSD 4è¿˜æ˜¯FreeBSD 5ï¼Œéƒ½ä¼šçœ‹åˆ°ä¸‹é?¢çš„ä¿¡æ?¯<br />
BIND 9.3.1<br />
æ‰€ä»¥åœ¨è¿™é‡Œï¼Œæˆ‘ä»¬ç»Ÿä¸€ä½¿ç”¨/usr/local/sbin/named<br />
åºŸè¯?å°‘è¯´ï¼Œå¼€å§‹é…?ç½®å?§ã€‚<br />
# cd /etc/namedb<br />
# chmod +x make-localhost<br />
# ./make-localhost<br />
ä¼šåœ¨å½“å‰?ç›®å½•ç”Ÿæˆ?ä¸€ä¸ªlocalhost.revå’Œlocalhost-v6.revã€‚å?Žè€…æ˜¯ç”¨äºŽIPv6<br />
ç”Ÿæˆ?rndcçš„key<br />
# /usr/local/sbin/rndc-confgen &gt;rndc.conf<br />
æ‰“å¼€rndc.confï¼ŒæŠŠ<br />
# Use with the following in named.conf, adjusting the allow list as needed:<br />
&#8230;&#8230;<br />
# End of named.conf<br />
ä¹‹é—´çš„å†…å®¹ï¼ŒåŽ»æŽ‰æ³¨é‡Š#ï¼Œæ·»åŠ åˆ°named.confä¸­<br />
ç¼–è¾‘named.conf<br />
# ee named.conf<br />
æ‰¾åˆ°<br />
zone &#8220;.&#8221; {<br />
type hint;<br />
file &#8220;named.root&#8221;;<br />
};</p>
<p>zone &#8220;0.0.127.IN-ADDR.ARPA&#8221; {<br />
type master;<br />
file &#8220;localhost.rev&#8221;;<br />
};</p>
<p>// RFC 3152<br />
zone &#8220;1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA&#8221; {<br />
type master;<br />
file &#8220;localhost-v6.rev&#8221;;<br />
};</p>
<p>// RFC 1886 &#8212; deprecated<br />
zone &#8220;1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.INT&#8221; {<br />
type master;<br />
file &#8220;localhost-v6.rev&#8221;;<br />
};<br />
æŠŠä¸Šé?¢çš„å†…å®¹å…¨éƒ¨ç”¨/**/æ³¨é‡Š<br />
/*<br />
zone &#8220;.&#8221; {<br />
type hint;<br />
&#8230;&#8230;<br />
file &#8220;localhost-v6.rev&#8221;;<br />
};<br />
*/<br />
åœ¨named.confæ–‡ä»¶çš„æœ€å?Žï¼ŒæŠŠåˆšæ‰?rndc.confé‡Œé?¢çš„å†…å®¹æ·»åŠ è¿›åŽ»<br />
key &#8220;rndc-key&#8221; {<br />
algorithm hmac-md5;<br />
secret &#8220;ILzfx8ONk2444ix9jnDfKA==&#8221;;<br />
};</p>
<p>controls {<br />
inet 127.0.0.1 port 953<br />
allow { 127.0.0.1; } keys { &#8220;rndc-key&#8221;; };<br />
};<br />
ï¼ˆä¸Šé?¢çš„å†…å®¹å?ªä¾›å?‚è€ƒï¼‰<br />
æŽ¥ä¸‹æ?¥çš„ï¼Œå°±æ˜¯æ–‡ç« é‡Œé?¢çš„é‡?å¤´æˆ?äº†ã€‚æŠŠä¸‹é?¢çš„å†…å®¹ï¼ŒåŽŸå°?ä¸?åŠ¨çš„æ·»åŠ åˆ°named.confçš„æœ€å?Ž<br />
//add cnc acl by naizhao<br />
acl &#8220;CNC&#8221; {<br />
58.16.0.0/16;<br />
58.17.0.0/17;<br />
58.17.128.0/17;<br />
58.18.0.0/16;<br />
58.19.0.0/16;<br />
58.20.0.0/16;<br />
58.21.0.0/16;<br />
58.22.0.0/15;<br />
58.240.0.0/15;<br />
58.242.0.0/15;<br />
58.244.0.0/15;<br />
58.246.0.0/15;<br />
58.248.0.0/13;<br />
60.0.0.0/13;<br />
60.8.0.0/15;<br />
60.10.0.0/16;<br />
60.11.0.0/16;<br />
60.12.0.0/16;<br />
60.13.0.0/18;<br />
60.13.128.0/17;<br />
60.14.0.0/15;<br />
60.16.0.0/13;<br />
60.24.0.0/14;<br />
60.30.0.0/16;<br />
60.31.0.0/16;<br />
60.208.0.0/13;<br />
60.216.0.0/15;<br />
60.218.0.0/15;<br />
60.220.0.0/14;<br />
61.48.0.0/13;<br />
61.133.0.0/17;<br />
61.134.96.0/19;<br />
61.134.128.0/17;<br />
61.135.0.0/16;<br />
61.137.128.0/17;<br />
61.138.0.0/17;<br />
61.138.128.0/18;<br />
61.139.128.0/18;<br />
61.148.0.0/15;<br />
61.156.0.0/16;<br />
61.159.0.0/18;<br />
61.161.0.0/18;<br />
61.161.128.0/17;<br />
61.162.0.0/16;<br />
61.163.0.0/16;<br />
61.167.0.0/16;<br />
61.168.0.0/16;<br />
61.176.0.0/16;<br />
61.179.0.0/16;<br />
61.181.0.0/16;<br />
61.182.0.0/16;<br />
61.189.0.0/17;<br />
125.32.0.0/16;<br />
125.40.0.0/13;<br />
202.96.0.0/18;<br />
202.96.64.0/21;<br />
202.96.72.0/21;<br />
202.97.128.0/18;<br />
202.97.224.0/21;<br />
202.97.240.0/20;<br />
202.98.0.0/21;<br />
202.98.8.0/21;<br />
202.99.64.0/19;<br />
202.99.96.0/21;<br />
202.99.128.0/19;<br />
202.99.160.0/21;<br />
202.99.168.0/21;<br />
202.99.176.0/20;<br />
202.99.208.0/20;<br />
202.99.224.0/21;<br />
202.99.232.0/21;<br />
202.99.240.0/20;<br />
202.102.128.0/21;<br />
202.102.224.0/21;<br />
202.102.232.0/21;<br />
202.106.0.0/16;<br />
202.107.0.0/17;<br />
202.108.0.0/16;<br />
202.110.0.0/17;<br />
202.111.128.0/18;<br />
203.93.8.0/24;<br />
203.93.192.0/18;<br />
210.13.128.0/17;<br />
210.14.160.0/19;<br />
210.14.192.0/19;<br />
210.15.32.0/19;<br />
210.15.96.0/19;<br />
210.15.128.0/18;<br />
210.21.0.0/16;<br />
210.52.128.0/17;<br />
210.53.0.0/17;<br />
210.53.128.0/17;<br />
210.74.96.0/19;<br />
210.74.128.0/19;<br />
210.82.0.0/15;<br />
218.8.0.0/14;<br />
218.12.0.0/16;<br />
218.21.128.0/17;<br />
218.24.0.0/14;<br />
218.56.0.0/14;<br />
218.60.0.0/15;<br />
218.67.128.0/17;<br />
218.68.0.0/15;<br />
218.104.0.0/14;<br />
219.154.0.0/15;<br />
219.156.0.0/15;<br />
219.158.0.0/17;<br />
219.158.128.0/17;<br />
219.159.0.0/18;<br />
220.252.0.0/16;<br />
221.0.0.0/15;<br />
221.2.0.0/16;<br />
221.3.0.0/17;<br />
221.3.128.0/17;<br />
221.4.0.0/16;<br />
221.5.0.0/17;<br />
221.5.128.0/17;<br />
221.6.0.0/16;<br />
221.7.0.0/19;<br />
221.7.32.0/19;<br />
221.7.64.0/19;<br />
221.7.96.0/19;<br />
221.8.0.0/15;<br />
221.10.0.0/16;<br />
221.11.0.0/17;<br />
221.11.128.0/18;<br />
221.11.192.0/19;<br />
221.12.0.0/17;<br />
221.12.128.0/18;<br />
221.13.0.0/18;<br />
221.13.64.0/19;<br />
221.13.96.0/19;<br />
221.13.128.0/17;<br />
221.14.0.0/15;<br />
221.192.0.0/15;<br />
221.194.0.0/16;<br />
221.195.0.0/16;<br />
221.196.0.0/15;<br />
221.198.0.0/16;<br />
221.199.0.0/19;<br />
221.199.32.0/20;<br />
221.199.128.0/18;<br />
221.199.192.0/20;<br />
221.200.0.0/14;<br />
221.204.0.0/15;<br />
221.206.0.0/16;<br />
221.207.0.0/18;<br />
221.207.64.0/18;<br />
221.207.128.0/17;<br />
221.208.0.0/14;<br />
221.212.0.0/16;<br />
221.213.0.0/16;<br />
221.216.0.0/13;<br />
222.128.0.0/14;<br />
222.132.0.0/14;<br />
222.136.0.0/13;<br />
222.160.0.0/15;<br />
222.162.0.0/16;<br />
222.163.0.0/19;<br />
222.163.32.0/19;<br />
222.163.64.0/18;<br />
222.163.128.0/17;<br />
};<br />
//view add by naizhao<br />
view &#8220;view_cnc&#8221; {<br />
match-clients { CNC; };<br />
zone &#8220;.&#8221; {<br />
type hint;<br />
file &#8220;named.root&#8221;;<br />
};</p>
<p>zone &#8220;0.0.127.IN-ADDR.ARPA&#8221; {<br />
type master;<br />
file &#8220;localhost.rev&#8221;;<br />
};</p>
<p>include &#8220;master/cnc.def&#8221;;<br />
};</p>
<p>view &#8220;view_any&#8221; {<br />
match-clients { any; };<br />
zone &#8220;.&#8221; {<br />
type hint;<br />
file &#8220;named.root&#8221;;<br />
};</p>
<p>zone &#8220;0.0.127.IN-ADDR.ARPA&#8221; {<br />
type master;<br />
file &#8220;localhost.rev&#8221;;<br />
};</p>
<p>include &#8220;master/telecom.def&#8221;;<br />
};</p>
<p>æ·»åŠ å®Œæˆ?å?Žï¼Œä¿?å­˜ã€‚<br />
# mkdir master<br />
# touch master/cnc.def<br />
# touch master/telecom.def<br />
å®Œæˆ?ï¼ŒæŽ¥ç?€å°±æ˜¯æµ‹è¯•</p>
<p>äº”ã€? æµ‹è¯•BIND 9<br />
# /usr/local/sbin/named -gc /etc/namedb/named.conf<br />
æ­£å¸¸çš„æƒ…å†µä¸‹ä½ ä¼šçœ‹åˆ°ä¸‹é?¢çš„ä¿¡æ?¯<br />
12-Dec-2005 13:55:46.772 starting BIND 9.3.1 -gc /etc/namedb/named.conf<br />
12-Dec-2005 13:55:46.816 loading configuration from &#8216;/etc/namedb/named.conf&#8217;<br />
12-Dec-2005 13:55:46.824 no IPv6 interfaces found<br />
12-Dec-2005 13:55:46.825 listening on IPv4 interface fxp0, 219.132.1.1#53<br />
12-Dec-2005 13:55:46.825 listening on IPv4 interface lo0, 127.0.0.1#53<br />
&#8230;&#8230;<br />
12-Dec-2005 13:55:46.866 running<br />
å?ªè¦?æœ‰æœ€å?Žä¸€è¡Œï¼Œé‚£ä¹ˆä½ çš„é…?ç½®å°±ç®—æ˜¯åŸºæœ¬æˆ?åŠŸäº†ã€‚<br />
æŒ‰ä¸€ä¸‹é”®ç›˜çš„ctrl+cï¼Œå…ˆæŠŠBIND 9å?œæŽ‰ã€‚</p>
<p>å…­ã€? æ·»åŠ ä¸€ä¸ªNS<br />
å¹³æ—¶å¤§å®¶ä¿®æ”¹åŸŸå??ä¿¡æ?¯çš„æ—¶å€™ï¼Œéƒ½ä¼šå?‘çŽ°æœ‰ä¸€ä¸ªDNSä¿¡æ?¯çš„ä¿®æ”¹ï¼Œé‡Œé?¢ä¼šæœ‰ä¸€äº›ç±»ä¼¼<br />
ns7.hichina.comä¸€æ ·çš„ä¸œè¥¿ã€‚æ·»åŠ è¿™ä¸ªä¸œè¥¿ä¸?éš¾ï¼Œåœ¨æ–°ç½‘çš„å?Žå?°å°±å?¯ä»¥æ·»åŠ ã€‚æ·»åŠ <br />
çš„æ—¶å€™è¦?æ³¨æ„?,åŸŸå??çŠ¶æ€?è®¾ç½®é‡Œé?¢çš„åŸŸå??å¿…é¡»ä¸?èƒ½åœ¨é”?å®šçŠ¶æ€?ã€‚<br />
ç™»é™†æ–°ç½‘çš„å?Žå?°-&gt;åŸŸå??ç®¡ç?†-&gt;æ³¨å†Œæœ¬åŸŸå??ä¸‹çš„DNS-&gt;DNSå??å­—:ns-&gt;IPåœ°å?€219.132.1.1<br />
ï¼ˆæŒ‰ç…§è‡ªå·±è¦?æ±‚ä¿®æ”¹IPåœ°å?€ï¼‰-&gt;ç¡®å®š-&gt;MyDNSåŠŸèƒ½-&gt;æ·»åŠ æ–°çš„Aè®°å½•-&gt;ns-&gt;IPåœ°å?€<br />
219.132.1.1-&gt;æ??äº¤ã€‚<br />
å¯¹äºŽä¸€äº›æ”¶è´¹çš„ï¼ˆå¦‚ä¸‡ç½‘ï¼‰æˆ–è€…ä¸?æ??ä¾›DNSæœ?åŠ¡å™¨æ³¨å†Œçš„ç®¡ç?†å?Žå?°ï¼Œæˆ‘ä»¬ä¸€æ ·æœ‰åŠžæ³•åŽ»<br />
è§£å†³ã€‚é¦–å…ˆæŒ‰ç…§ä¸Šé?¢çš„ï¼Œå…ˆæ·»åŠ ä¸€ä¸ªAè®°å½•ï¼Œç„¶å?Žæ‰“å¼€</p>
<p>http://domain.cnic.ac.cn/domain/nameserver/createhost.jsp</p>
<p>æŒ‰ç…§ä¸Šé?¢çš„æ??ç¤ºæ³¨å†Œä¸€ä¸‹å°±è¡Œã€‚<br />
OKï¼Œç­‰å¾…DNSç”Ÿæ•ˆå?§</p>
<p>ä¸ƒã€? æ·»åŠ ä¸€ä¸ªåŸŸå??<br />
# cd /etc/namedb/master<br />
# mkdir cnc<br />
# mkdir telecom<br />
# ee cnc.def<br />
æ·»åŠ <br />
zone &#8220;wuhongsheng.com&#8221; {<br />
type master;<br />
file &#8220;master/cnc/wuhongsheng.com&#8221;;<br />
};</p>
<p># ee telecom.def<br />
æ·»åŠ <br />
zone &#8220;wuhongsheng.com&#8221; {<br />
type master;<br />
file &#8220;master/telecom/wuhongsheng.com&#8221;;<br />
};<br />
æ·»åŠ ç½‘é€šçš„è§£æž?ï¼Œè§£æž?åˆ°çš„IPä¸º202.111.1.1<br />
#ee cnc/wuhongsheng.com<br />
æ·»åŠ <br />
$TTL 3600<br />
$ORIGIN wuhongsheng.com.<br />
@ IN SOA ns.naizhao.com. root.ns.naizhao.com.(<br />
2005121013 ;Serial<br />
3600 ; Refresh ( seconds )<br />
900 ; Retry ( seconds )<br />
68400 ; Expire ( seconds )<br />
15 );Minimum TTL for Zone ( seconds )<br />
;<br />
@ IN NS ns.naizhao.com.<br />
@ IN A 202.111.1.1<br />
www IN A 202.111.1.1<br />
;<br />
;end<br />
æ·»åŠ ç”µä¿¡çš„è§£æž?ï¼Œè§£æž?åˆ°çš„IPä¸º219.132.1.2<br />
#ee telecom/wuhongsheng.com<br />
æ·»åŠ <br />
$TTL 3600<br />
$ORIGIN wuhongsheng.com.<br />
@ IN SOA ns.naizhao.com. root.ns.naizhao.com.(<br />
2005121013 ;Serial<br />
3600 ; Refresh ( seconds )<br />
900 ; Retry ( seconds )<br />
68400 ; Expire ( seconds )<br />
15 );Minimum TTL for Zone ( seconds )<br />
;<br />
@ IN NS ns.naizhao.com.<br />
@ IN A 219.132.1.2<br />
www IN A 219.132.1.2<br />
;<br />
;end<br />
æ·»åŠ ä¸€ä¸ªè„šæœ¬ï¼Œç”¨äºŽåœ¨ç³»ç»Ÿå?¯åŠ¨çš„æ—¶å€™è‡ªåŠ¨æŠŠDNSæœ?åŠ¡å™¨å?¯èµ·æ?¥<br />
# ee /usr/local/etc/rc.d/named.sh<br />
æ·»åŠ å†…å®¹<br />
/usr/local/sbin/named -gc /etc/namedb/named.conf &amp;<br />
# chmod 777 /usr/local/etc/rc.d/named.sh<br />
æŠŠæœ?åŠ¡å™¨å?¯èµ·æ?¥<br />
# /usr/local/etc/rc.d/named.sh<br />
OKï¼Œåˆ°æ­¤ä½ çš„DNSæœ?åŠ¡å™¨å°±ç®—æ˜¯è·‘èµ·æ?¥äº†ã€‚è¯•ä¸€ä¸‹åˆ†åˆ«ç”¨ç½‘é€šå’Œç”µä¿¡çš„çº¿è·¯pingä¸€ä¸‹å?§ï¼Œå˜¿å˜¿ã€‚</p>
<p>å…«ã€? æµ‹è¯•åŸŸå??<br />
é™¤äº†ç”¨ç®€å?•çš„pingæ?¥æµ‹è¯•åŸŸå??å¤–ï¼Œä½ è¿˜å?¯ä»¥ä½¿ç”¨nslookupæ?¥æµ‹è¯•åŸŸå??<br />
# nslookup<br />
&gt;server ns.naizhao.com<br />
&gt;set q=a<br />
&gt;wuhongsheng.com<br />
åŽŸåˆ›æ–‡ç« ï¼Œè½¬è½½è¯·æ³¨æ˜Žæ?¥è‡ªhttp://wuhongsheng.com</p>
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			<media:title type="html">flymeteor</media:title>
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		<link>http://flymeteor.wordpress.com/2006/01/23/%e5%81%87%e5%a6%82%e6%b0%91%e5%9b%bd8%e5%b9%b4%e5%8c%97%e5%b9%b3%e9%9c%80%e8%a6%81%e6%9a%82%e4%bd%8f%e8%af%81/</link>
		<comments>http://flymeteor.wordpress.com/2006/01/23/%e5%81%87%e5%a6%82%e6%b0%91%e5%9b%bd8%e5%b9%b4%e5%8c%97%e5%b9%b3%e9%9c%80%e8%a6%81%e6%9a%82%e4%bd%8f%e8%af%81/#comments</comments>
		<pubDate>Mon, 23 Jan 2006 04:34:53 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[éš?æƒ³æ?‚è°ˆ]]></category>

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		<pubDate>Sun, 08 Jan 2006 12:30:49 +0000</pubDate>
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		<title>AWKå­¦ä¹ </title>
		<link>http://flymeteor.wordpress.com/2006/01/08/awk%e5%ad%a6%e4%b9%a0/</link>
		<comments>http://flymeteor.wordpress.com/2006/01/08/awk%e5%ad%a6%e4%b9%a0/#comments</comments>
		<pubDate>Sun, 08 Jan 2006 12:30:17 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[Shell Scripts]]></category>

		<guid isPermaLink="false">http://flymeteor.wordpress.com/2006/01/08/awk%e5%ad%a6%e4%b9%a0/</guid>
		<description><![CDATA[AWK æ˜¯ä»€ä¹ˆï¼Ÿ æœ€ç®€å?•åœ°è¯´ï¼Œ AWK æ˜¯ä¸€ç§?ç”¨äºŽå¤„ç?†æ–‡æœ¬çš„ç¼–ç¨‹è¯­è¨€å·¥å…·ã€‚ AWK å®žç”¨å·¥å…·çš„è¯­è¨€åœ¨å¾ˆå¤šæ–¹é?¢ç±»ä¼¼äºŽ shellç¼–ç¨‹è¯­è¨€ï¼Œå°½ç®¡ AWK å…·æœ‰å®Œå…¨å±žäºŽå…¶æœ¬èº«çš„è¯­æ³•ã€‚åœ¨æœ€åˆ?åˆ›é€  AWKæ—¶ï¼Œå…¶ç›®çš„æ˜¯ç”¨äºŽæ–‡æœ¬å¤„ç?†ï¼Œå¹¶ä¸”è¿™ç§?è¯­è¨€çš„åŸºç¡€æ˜¯ï¼Œå?ªè¦?åœ¨è¾“å…¥æ•°æ?®ä¸­æœ‰æ¨¡å¼?åŒ¹é…?ï¼Œå°±æ‰§è¡Œä¸€ç³»åˆ—æŒ‡ä»¤ã€‚è¯¥å®žç”¨å·¥å…·æ‰«æ??æ–‡ä»¶ä¸­çš„æ¯?ä¸€è¡Œï¼ŒæŸ¥æ‰¾ä¸Žå‘½ä»¤è¡Œä¸­æ‰€ç»™å®šå†…å®¹ç›¸åŒ¹é…?çš„æ¨¡å¼?ã€‚å¦‚æžœå?‘çŽ°åŒ¹é…?å†…å®¹ï¼Œåˆ™è¿›è¡Œä¸‹ä¸€ä¸ªç¼–ç¨‹æ­¥éª¤ã€‚å¦‚æžœæ‰¾ä¸?åˆ°åŒ¹é…?å†…å®¹ï¼Œåˆ™ç»§ç»­å¤„ç?†ä¸‹ä¸€è¡Œã€‚ å°½ç®¡æ“?ä½œå?¯èƒ½ä¼šå¾ˆå¤?æ?‚ï¼Œä½†å‘½ä»¤çš„è¯­æ³•å§‹ç»ˆæ˜¯ï¼š awk &#8216;{pattern + action}&#8217; {filenames} å…¶ä¸­ pattern è¡¨ç¤º AWK åœ¨æ•°æ?®ä¸­æŸ¥æ‰¾çš„å†…å®¹ï¼Œè€Œ action æ˜¯åœ¨æ‰¾åˆ°åŒ¹é…?å†…å®¹æ—¶æ‰€æ‰§è¡Œçš„ä¸€ç³»åˆ—å‘½ä»¤ã€‚èŠ±æ‹¬å?· ({}) ä¸?éœ€è¦?åœ¨ç¨‹åº?ä¸­å§‹ç»ˆå‡ºçŽ°ï¼Œä½†å®ƒä»¬ç”¨äºŽæ ¹æ?®ç‰¹å®šçš„æ¨¡å¼?å¯¹ä¸€ç³»åˆ—æŒ‡ä»¤è¿›è¡Œåˆ†ç»„ã€‚ äº†è§£å­—æ®µ å®žç”¨å·¥å…·å°†æ¯?ä¸ªè¾“å…¥è¡Œåˆ†ä¸ºè®°å½•å’Œå­—æ®µã€‚ è®°å½• æ˜¯å?•è¡Œçš„è¾“å…¥ï¼Œè€Œæ¯?æ?¡è®°å½•åŒ…å?«è‹¥å¹²å­—æ®µã€‚é»˜è®¤çš„å­—æ®µåˆ†éš”ç¬¦æ˜¯ç©ºæ ¼æˆ–åˆ¶è¡¨ç¬¦ï¼Œè€Œè®°å½•çš„åˆ†éš”ç¬¦æ˜¯æ?¢è¡Œã€‚è™½ç„¶åœ¨é»˜è®¤æƒ…å†µä¸‹å°†åˆ¶è¡¨ç¬¦å’Œç©ºæ ¼éƒ½çœ‹ä½œå­—æ®µåˆ†éš”ç¬¦ï¼ˆå¤šä¸ªç©ºæ ¼ä»?ç„¶ä½œä¸ºä¸€ä¸ªåˆ†éš”ç¬¦ï¼‰ï¼Œä½†æ˜¯å?¯ä»¥å°†åˆ†éš”ç¬¦ä»Žç©ºæ ¼æ”¹ä¸ºä»»ä½•å…¶å®ƒå­—ç¬¦ã€‚ ä¸ºäº†è¿›è¡Œæ¼”ç¤ºï¼Œè¯·æŸ¥çœ‹ä»¥ä¸‹ä¿?å­˜ä¸º emp_names çš„å‘˜å·¥åˆ—è¡¨æ–‡ä»¶ï¼š 46012 DULANEY EVAN MOBILE AL 46013 DURHAM JEFF MOBILE AL 46015 STEEN BILL MOBILE AL 46017 FELDMAN EVAN MOBILE AL 46018 SWIM [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=flymeteor.wordpress.com&amp;blog=8391&amp;post=36&amp;subd=flymeteor&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p align="left"><strong>AWK æ˜¯ä»€ä¹ˆï¼Ÿ </strong></p>
<p>
<p align="left">æœ€ç®€å?•åœ°è¯´ï¼Œ AWK æ˜¯ä¸€ç§?ç”¨äºŽå¤„ç?†æ–‡æœ¬çš„ç¼–ç¨‹è¯­è¨€å·¥å…·ã€‚ AWK å®žç”¨å·¥å…·çš„è¯­è¨€åœ¨å¾ˆå¤šæ–¹é?¢ç±»ä¼¼äºŽ shell<br />ç¼–ç¨‹è¯­è¨€ï¼Œå°½ç®¡ AWK å…·æœ‰å®Œå…¨å±žäºŽå…¶æœ¬èº«çš„è¯­æ³•ã€‚åœ¨æœ€åˆ?åˆ›é€  AWK<br />æ—¶ï¼Œå…¶ç›®çš„æ˜¯ç”¨äºŽæ–‡æœ¬å¤„ç?†ï¼Œå¹¶ä¸”è¿™ç§?è¯­è¨€çš„åŸºç¡€æ˜¯ï¼Œå?ªè¦?åœ¨è¾“å…¥æ•°æ?®ä¸­æœ‰æ¨¡å¼?åŒ¹é…?ï¼Œå°±æ‰§è¡Œä¸€ç³»åˆ—æŒ‡ä»¤ã€‚è¯¥å®žç”¨å·¥å…·æ‰«æ??æ–‡ä»¶ä¸­çš„æ¯?ä¸€è¡Œï¼ŒæŸ¥æ‰¾ä¸Žå‘½ä»¤è¡Œä¸­æ‰€ç»™å®š<br />å†…å®¹ç›¸åŒ¹é…?çš„æ¨¡å¼?ã€‚å¦‚æžœå?‘çŽ°åŒ¹é…?å†…å®¹ï¼Œåˆ™è¿›è¡Œä¸‹ä¸€ä¸ªç¼–ç¨‹æ­¥éª¤ã€‚å¦‚æžœæ‰¾ä¸?åˆ°åŒ¹é…?å†…å®¹ï¼Œåˆ™ç»§ç»­å¤„ç?†ä¸‹ä¸€è¡Œã€‚ </p>
<p>
<p align="left">å°½ç®¡æ“?ä½œå?¯èƒ½ä¼šå¾ˆå¤?æ?‚ï¼Œä½†å‘½ä»¤çš„è¯­æ³•å§‹ç»ˆæ˜¯ï¼š </p>
<p>
<p align="left">awk &#8216;{pattern + action}&#8217; {filenames} </p>
<p>
<p align="left">å…¶ä¸­ pattern è¡¨ç¤º AWK åœ¨æ•°æ?®ä¸­æŸ¥æ‰¾çš„å†…å®¹ï¼Œè€Œ action æ˜¯åœ¨æ‰¾åˆ°åŒ¹é…?å†…å®¹æ—¶æ‰€æ‰§è¡Œçš„ä¸€ç³»åˆ—å‘½ä»¤ã€‚èŠ±æ‹¬å?· ({}) ä¸?éœ€è¦?åœ¨ç¨‹åº?ä¸­å§‹ç»ˆå‡ºçŽ°ï¼Œä½†å®ƒä»¬ç”¨äºŽæ ¹æ?®ç‰¹å®šçš„æ¨¡å¼?å¯¹ä¸€ç³»åˆ—æŒ‡ä»¤è¿›è¡Œåˆ†ç»„ã€‚<span id="more-36"></span> </p>
<p>
<p align="left"><strong>äº†è§£å­—æ®µ </strong></p>
<p>
<p align="left">å®žç”¨å·¥å…·å°†æ¯?ä¸ªè¾“å…¥è¡Œåˆ†ä¸ºè®°å½•å’Œå­—æ®µã€‚ <em>è®°å½• </em>æ˜¯å?•è¡Œçš„è¾“å…¥ï¼Œè€Œæ¯?æ?¡è®°å½•åŒ…å?«è‹¥å¹²å­—æ®µã€‚é»˜è®¤çš„å­—æ®µåˆ†éš”ç¬¦æ˜¯ç©ºæ ¼æˆ–åˆ¶è¡¨ç¬¦ï¼Œè€Œè®°å½•çš„åˆ†éš”ç¬¦æ˜¯æ?¢è¡Œã€‚è™½ç„¶åœ¨é»˜è®¤æƒ…å†µä¸‹å°†åˆ¶è¡¨ç¬¦å’Œç©ºæ ¼éƒ½çœ‹ä½œå­—æ®µåˆ†éš”ç¬¦ï¼ˆå¤šä¸ªç©ºæ ¼ä»?ç„¶ä½œä¸ºä¸€ä¸ªåˆ†éš”ç¬¦ï¼‰ï¼Œä½†æ˜¯å?¯ä»¥å°†åˆ†éš”ç¬¦ä»Žç©ºæ ¼æ”¹ä¸ºä»»ä½•å…¶å®ƒå­—ç¬¦ã€‚ </p>
<p>
<p align="left">ä¸ºäº†è¿›è¡Œæ¼”ç¤ºï¼Œè¯·æŸ¥çœ‹ä»¥ä¸‹ä¿?å­˜ä¸º emp_names çš„å‘˜å·¥åˆ—è¡¨æ–‡ä»¶ï¼š </p>
<p>
<p align="left">46012 DULANEY EVAN MOBILE AL </p>
<p>
<p align="left">46013 DURHAM JEFF MOBILE AL </p>
<p>
<p align="left">46015 STEEN BILL MOBILE AL </p>
<p>
<p align="left">46017 FELDMAN EVAN MOBILE AL </p>
<p>
<p align="left">46018 SWIM STEVE UNKNOWN AL </p>
<p>
<p align="left">46019 BOGUE ROBERT PHOENIX AZ </p>
<p>
<p align="left">46021 JUNE MICAH PHOENIX AZ </p>
<p>
<p align="left">46022 KANE SHERYL UNKNOWN AR </p>
<p>
<p align="left">46024 WOOD WILLIAM MUNCIE IN </p>
<p>
<p align="left">46026 FERGUS SARAH MUNCIE IN </p>
<p>
<p align="left">46027 BUCK SARAH MUNCIE IN </p>
<p>
<p align="left">46029 TUTTLE BOB MUNCIE IN </p>
<p>
<p align="left">å½“ AWK è¯»å?–è¾“å…¥å†…å®¹æ—¶ï¼Œæ•´æ?¡è®°å½•è¢«åˆ†é…?ç»™å?˜é‡? $0 ã€‚æ¯?ä¸ªå­—æ®µä»¥å­—æ®µåˆ†éš”ç¬¦åˆ†å¼€ï¼Œè¢«åˆ†é…?ç»™å?˜é‡? $1 ã€? $2 ã€? $3 ç­‰ç­‰ã€‚ä¸€è¡Œåœ¨æœ¬è´¨ä¸Šå?¯ä»¥åŒ…å?«æ— æ•°ä¸ªå­—æ®µï¼Œé€šè¿‡å­—æ®µå?·æ?¥è®¿é—®æ¯?ä¸ªå­—æ®µã€‚å› æ­¤ï¼Œå‘½ä»¤ </p>
<p>
<p align="left">awk &#8216;{print $1,$2,$3,$4,$5}&#8217; names </p>
<p>
<p align="left">å°†ä¼šäº§ç”Ÿçš„æ‰“å?°è¾“å‡ºæ˜¯ </p>
<p>
<p align="left">46012 DULANEY EVAN MOBILE AL </p>
<p>
<p align="left">46013 DURHAM JEFF MOBILE AL </p>
<p>
<p align="left">46015 STEEN BILL MOBILE AL </p>
<p>
<p align="left">46017 FELDMAN EVAN MOBILE AL </p>
<p>
<p align="left">46018 SWIM STEVE UNKNOWN AL </p>
<p>
<p align="left">46019 BOGUE ROBERT PHOENIX AZ </p>
<p>
<p align="left">46021 JUNE MICAH PHOENIX AZ </p>
<p>
<p align="left">46022 KANE SHERYL UNKNOWN AR </p>
<p>
<p align="left">46024 WOOD WILLIAM MUNCIE IN </p>
<p>
<p align="left">46026 FERGUS SARAH MUNCIE IN </p>
<p>
<p align="left">46027 BUCK SARAH MUNCIE IN </p>
<p>
<p align="left">46029 TUTTLE BOB MUNCIE IN </p>
<p>
<p align="left">å€¼å¾—æ³¨æ„?çš„ä¸€é¡¹é‡?è¦?å†…å®¹æ˜¯ï¼Œ AWK è§£é‡Šç”±ç©ºæ ¼åˆ†éš”çš„äº”ä¸ªå­—æ®µï¼Œä½†å½“å®ƒæ‰“å?°æ˜¾ç¤ºå†…å®¹æ—¶ï¼Œåœ¨æ¯?ä¸ªå­—æ®µé—´å?ªæœ‰ä¸€ä¸ªç©ºæ ¼ã€‚åˆ©ç”¨ä¸ºæ¯?ä¸ªå­—æ®µæŒ‡å®šäº†å”¯ä¸€å?·ç ?çš„åŠŸèƒ½ï¼Œæ‚¨å?¯ä»¥é€‰æ‹©å?ªæ‰“å?°ç‰¹å®šçš„å­—æ®µã€‚ä¾‹å¦‚ï¼Œå?ªæ‰“å?°æ¯?æ?¡è®°å½•çš„å§“å??æ—¶ï¼Œå?ªéœ€é€‰æ‹©ç¬¬äºŒä¸ªå’Œç¬¬ä¸‰ä¸ªå­—æ®µè¿›è¡Œæ‰“å?°ï¼š </p>
<p>
<p align="left">$ awk &#8216;{print $2,$3}&#8217; emp_names </p>
<p>
<p align="left">DULANEY EVAN </p>
<p>
<p align="left">DURHAM JEFF </p>
<p>
<p align="left">STEEN BILL </p>
<p>
<p align="left">FELDMAN EVAN </p>
<p>
<p align="left">SWIM STEVE </p>
<p>
<p align="left">BOGUE ROBERT </p>
<p>
<p align="left">JUNE MICAH </p>
<p>
<p align="left">KANE SHERYL </p>
<p>
<p align="left">WOOD WILLIAM </p>
<p>
<p align="left">FERGUS SARAH </p>
<p>
<p align="left">BUCK SARAH </p>
<p>
<p align="left">TUTTLE BOB </p>
<p>
<p align="left">$ </p>
<p>
<p>æ‚¨è¿˜å?¯ä»¥æŒ‡å®šæŒ‰ä»»ä½•é¡ºåº?æ‰“å?°å­—æ®µï¼Œè€Œæ— è®ºå®ƒä»¬åœ¨è®°å½•ä¸­æ˜¯å¦‚ä½•å­˜åœ¨çš„ã€‚å› æ­¤ï¼Œå?ªéœ€è¦?æ˜¾ç¤ºå§“å??å­—æ®µï¼Œå¹¶ä¸”ä½¿å…¶é¡ºåº?é¢ å€’ï¼Œå…ˆæ˜¾ç¤ºå??å­—å†?æ˜¾ç¤ºå§“æ°?ï¼š </p>
<p>
<p align="left">$ awk &#8216;{print $3,$2}&#8217; emp_names </p>
<p>
<p align="left">EVAN DULANEY </p>
<p>
<p align="left">JEFF DURHAM </p>
<p>
<p align="left">BILL STEEN </p>
<p>
<p align="left">EVAN FELDMAN </p>
<p>
<p align="left">STEVE SWIM </p>
<p>
<p align="left">ROBERT BOGUE </p>
<p>
<p align="left">MICAH JUNE </p>
<p>
<p align="left">SHERYL KANE </p>
<p>
<p align="left">WILLIAM WOOD </p>
<p>
<p align="left">SARAH FERGUS </p>
<p>
<p align="left">SARAH BUCK </p>
<p>
<p align="left">BOB TUTTLE </p>
<p>
<p align="left">$ </p>
<p>
<p align="left"><strong>ä½¿ç”¨æ¨¡å¼? </strong></p>
<p>
<p align="left">é€šè¿‡åŒ…å?«ä¸€ä¸ªå¿…é¡»åŒ¹é…?çš„æ¨¡å¼?ï¼Œæ‚¨å?¯ä»¥é€‰æ‹©å?ªå¯¹ç‰¹å®šçš„è®°å½•è€Œä¸?æ˜¯æ‰€æœ‰çš„è®°å½•è¿›è¡Œæ“?ä½œã€‚æ¨¡å¼?åŒ¹é…?çš„æœ€ç®€å?•å½¢å¼?æ˜¯æ?œç´¢ï¼Œå…¶ä¸­è¦?åŒ¹é…?çš„é¡¹ç›®è¢«åŒ…å?«åœ¨æ–œçº¿ ( /pattern/ ) ä¸­ã€‚ä¾‹å¦‚ï¼Œå?ªå¯¹é‚£äº›å±…ä½?åœ¨é˜¿æ‹‰å·´é©¬å·žçš„å‘˜å·¥æ‰§è¡Œå‰?é?¢çš„æ“?ä½œï¼š </p>
<p>
<p align="left">$ awk &#8216;/AL/ {print $3,$2}&#8217; emp_names </p>
<p>
<p align="left">EVAN DULANEY </p>
<p>
<p align="left">JEFF DURHAM </p>
<p>
<p align="left">BILL STEEN </p>
<p>
<p align="left">EVAN FELDMAN </p>
<p>
<p align="left">STEVE SWIM </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å¦‚æžœæ‚¨ä¸?æŒ‡å®šè¦?æ‰“å?°çš„å­—æ®µï¼Œåˆ™ä¼šæ‰“å?°æ•´ä¸ªåŒ¹é…?çš„æ?¡ç›®ï¼š </p>
<p>
<p align="left">$ awk &#8216;/AL/&#8217; emp_names </p>
<p>
<p align="left">46012 DULANEY EVAN MOBILE AL </p>
<p>
<p align="left">46013 DURHAM JEFF MOBILE AL </p>
<p>
<p align="left">46015 STEEN BILL MOBILE AL </p>
<p>
<p align="left">46017 FELDMAN EVAN MOBILE AL </p>
<p>
<p align="left">46018 SWIM STEVE UNKNOWN AL </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å¯¹å?Œä¸€æ•°æ?®é›†çš„å¤šä¸ªå‘½ä»¤å?¯ä»¥ç”¨åˆ†å?· ( ; ) åˆ†éš”å¼€ã€‚ä¾‹å¦‚ï¼Œåœ¨ä¸€è¡Œä¸­æ‰“å?°å§“å??ï¼Œè€Œåœ¨å?¦ä¸€è¡Œä¸­æ‰“å?°åŸŽå¸‚å’Œå·žå??ï¼š </p>
<p>
<p align="left">$ awk &#8216;/AL/ {print $3,$2 ; print $4,$5}&#8217; emp_names </p>
<p>
<p align="left">EVAN DULANEY </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">JEFF DURHAM </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">BILL STEEN </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">EVAN FELDMAN </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">STEVE SWIM </p>
<p>
<p align="left">UNKNOWN AL </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å¦‚æžœæ²¡æœ‰ä½¿ç”¨åˆ†å?· ( print $3,$2,$4,$5 ) ï¼Œåˆ™ä¼šåœ¨å?Œä¸€è¡Œä¸­æ˜¾ç¤ºæ‰€æœ‰å†…å®¹ã€‚å?¦ä¸€æ–¹é?¢ï¼Œå¦‚æžœåˆ†åˆ«ç»™å‡ºä¸¤ä¸ªæ‰“å?°è¯­å?¥ï¼Œåˆ™ä¼šäº§ç”Ÿå®Œå…¨ä¸?å?Œçš„ç»“æžœï¼š </p>
<p>
<p align="left">$ awk &#8216;/AL/ {print $3,$2} {print $4,$5}&#8217; emp_names </p>
<p>
<p align="left">EVAN DULANEY </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">JEFF DURHAM </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">BILL STEEN </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">EVAN FELDMAN </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">STEVE SWIM </p>
<p>
<p align="left">UNKNOWN AL </p>
<p>
<p align="left">PHOENIX AZ </p>
<p>
<p align="left">PHOENIX AZ </p>
<p>
<p align="left">UNKNOWN AR </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å?ªæœ‰åœ¨åˆ—è¡¨ä¸­æ‰¾åˆ° AL æ—¶æ‰?ä¼šç»™å‡ºå­—æ®µä¸‰å’Œå­—æ®µäºŒã€‚ä½†æ˜¯ï¼Œå­—æ®µå››å’Œå­—æ®µäº”æ˜¯æ— æ?¡ä»¶çš„ï¼Œå§‹ç»ˆæ‰“å?°å®ƒä»¬ã€‚å?ªæœ‰ç¬¬ä¸€ç»„èŠ±æ‹¬å?·ä¸­çš„å‘½ä»¤å¯¹å‰?é?¢ç´§é‚»çš„å‘½ä»¤ ( /AL/ ) èµ·ä½œç”¨ã€‚ </p>
<p>
<p align="left">ç»“æžœé?žå¸¸ä¸?ä¾¿äºŽé˜…è¯»ï¼Œå?¯ä»¥ä½¿å…¶ç¨?å¾®æ›´æ¸…æ™°ä¸€äº›ã€‚é¦–å…ˆï¼Œåœ¨åŸŽå¸‚ä¸Žå·žä¹‹é—´æ?’å…¥ä¸€ä¸ªç©ºæ ¼å’Œé€—å?·ã€‚ç„¶å?Žï¼Œåœ¨æ¯?ä¸¤è¡Œæ˜¾ç¤ºä¹‹å?Žæ”¾ç½®ä¸€ä¸ªç©ºè¡Œï¼š </p>
<p>
<p align="left">$ awk &#8216;/AL/ {print $3,$2 ; print $4&#8243;, &#8220;$5&#8243;\n&#8221;}&#8217; emp_names </p>
<p>
<p align="left">EVAN DULANEY </p>
<p>
<p align="left">MOBILE , AL </p>
<p>
<p align="left">JEFF DURHAM </p>
<p>
<p align="left">MOBILE , AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">BILL STEEN </p>
<p>
<p align="left">MOBILE , AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">EVAN FELDMAN </p>
<p>
<p align="left">MOBILE , AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">STEVE SWIM </p>
<p>
<p align="left">UNKNOWN, AL </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">åœ¨ç¬¬å››å’Œç¬¬äº”ä¸ªå­—æ®µä¹‹é—´ï¼Œæ·»åŠ ä¸€ä¸ªé€—å?·å’Œä¸€ä¸ªç©ºæ ¼ï¼ˆåœ¨å¼•å?·ä¹‹é—´ï¼‰ï¼Œåœ¨ç¬¬äº”ä¸ªå­—æ®µå?Žé?¢ï¼Œæ‰“å?°ä¸€ä¸ªæ?¢è¡Œç¬¦ ( \n ) ã€‚åœ¨ AWK æ‰“å?°è¯­å?¥ä¸­è¿˜å?¯ä»¥ä½¿ç”¨é‚£äº›å?¯åœ¨ echo å‘½ä»¤ä¸­ä½¿ç”¨çš„æ‰€æœ‰ç‰¹æ®Šå­—ç¬¦ï¼ŒåŒ…æ‹¬ï¼š </p>
<p>
<ul>
<li>\n ï¼ˆæ?¢è¡Œï¼‰ </li>
<li>\t ï¼ˆåˆ¶è¡¨ï¼‰ </li>
<li>\b ï¼ˆé€€æ ¼ï¼‰ </li>
<li>\f ï¼ˆè¿›çº¸ï¼‰ </li>
<li>\r ï¼ˆå›žè½¦ï¼‰ </li>
</ul>
<p>
<p align="left">å› æ­¤ï¼Œè¦?è¯»å?–å…¨éƒ¨äº”ä¸ªæœ€åˆ?ç”±åˆ¶è¡¨ç¬¦åˆ†éš”å¼€çš„å­—æ®µï¼Œå¹¶ä¸”ä¹Ÿåˆ©ç”¨åˆ¶è¡¨ç¬¦æ‰“å?°å®ƒä»¬ï¼Œæ‚¨å?¯ä»¥ç¼–ç¨‹å¦‚ä¸‹ </p>
<p>
<p align="left">$ awk &#8216;{print $1&#8243;\t&#8221;$2&#8243;\t&#8221;$3&#8243;\t&#8221;$4&#8243;\t&#8221;$5}&#8217; emp_names </p>
<p>
<p align="left">46012 DULANEY EVAN MOBILE AL </p>
<p>
<p align="left">46013 DURHAM JEFF MOBILE AL </p>
<p>
<p align="left">46015 STEEN BILL MOBILE AL </p>
<p>
<p align="left">46017 FELDMAN EVAN MOBILE AL </p>
<p>
<p align="left">46018 SWIM STEVE UNKNOWN AL </p>
<p>
<p align="left">46019 BOGUE ROBERT PHOENIX AZ </p>
<p>
<p align="left">46021 JUNE MICAH PHOENIX AZ </p>
<p>
<p align="left">46022 KANE SHERYL UNKNOWN AR </p>
<p>
<p align="left">46024 WOOD WILLIAM MUNCIE IN </p>
<p>
<p align="left">46026 FERGUS SARAH MUNCIE IN </p>
<p>
<p align="left">46027 BUCK SARAH MUNCIE IN </p>
<p>
<p align="left">46029 TUTTLE BOB MUNCIE IN </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">é€šè¿‡è¿žç»­è®¾ç½®å¤šé¡¹æ ‡å‡†å¹¶ç”¨ç®¡é?“ ( | ) ç¬¦å?·å°†å…¶åˆ†éš”å¼€ï¼Œæ‚¨å?¯ä»¥ä¸€æ¬¡æ?œç´¢å¤šä¸ªæ¨¡å¼?åŒ¹é…?ï¼š </p>
<p>
<p align="left">$ awk &#8216;/AL|IN/&#8217; emp_names </p>
<p>
<p align="left">46012 DULANEY EVAN MOBILE AL </p>
<p>
<p align="left">46013 DURHAM JEFF MOBILE AL </p>
<p>
<p align="left">46015 STEEN BILL MOBILE AL </p>
<p>
<p align="left">46017 FELDMAN EVAN MOBILE AL </p>
<p>
<p align="left">46018 SWIM STEVE UNKNOWN AL </p>
<p>
<p align="left">46024 WOOD WILLIAM MUNCIE IN </p>
<p>
<p align="left">46026 FERGUS SARAH MUNCIE IN </p>
<p>
<p align="left">46027 BUCK SARAH MUNCIE IN </p>
<p>
<p align="left">46029 TUTTLE BOB MUNCIE IN </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">è¿™æ ·å?¯æ‰¾åˆ°æ¯?ä¸ªé˜¿æ‹‰å·´é©¬å·žå’Œå?°ç¬¬å®‰é‚£å·žå±…æ°‘çš„åŒ¹é…?è®°å½•ã€‚ä½†æ˜¯åœ¨è¯•å›¾æ‰¾å‡ºå±…ä½?åœ¨äºšåˆ©æ¡‘é‚£å·žçš„äººæ—¶ï¼Œå‡ºçŽ°äº†ä¸€ä¸ªé—®é¢˜ï¼š </p>
<p>
<p align="left">$ awk &#8216;/AR/&#8217; emp_names </p>
<p>
<p align="left">46019 BOGUE ROBERT PHOENIX AZ </p>
<p>
<p align="left">46021 JUNE MICAH PHOENIX AZ </p>
<p>
<p align="left">46022 KANE SHERYL UNKNOWN AZ </p>
<p>
<p align="left">46026 FERGUS SARAH MUNCIE IN </p>
<p>
<p align="left">46027 BUCK SARAH MUNCIE IN </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å‘˜å·¥ 46026 å’Œ 46027 æ²¡æœ‰ä½?åœ¨äºšåˆ©æ¡‘é‚£å·žï¼›ä½†æ˜¯ä»–ä»¬çš„å??å­—ä¸­åŒ…å?«æ‰€æ?œç´¢çš„å­—ç¬¦åº?åˆ—ã€‚åˆ‡è®°ï¼Œå½“åœ¨ AWK<br />ä¸­è¿›è¡Œæ¨¡å¼?åŒ¹é…?æ—¶ï¼Œä¾‹å¦‚ grep ã€? sed æˆ–è€…å¤§éƒ¨åˆ†å…¶ä»– Linux/Unix<br />å‘½ä»¤ï¼Œå°†åœ¨è®°å½•ï¼ˆè¡Œï¼‰ä¸­çš„ä»»ä½•ä½?ç½®æŸ¥æ‰¾åŒ¹é…?ï¼Œé™¤é?žæŒ‡å®šè¿›è¡Œå…¶ä»–æ“?ä½œã€‚ä¸ºè§£å†³è¿™ä¸€é—®é¢˜ï¼Œå¿…é¡»å°†æ?œç´¢ä¸Žç‰¹å®šå­—æ®µè?”ç³»èµ·æ?¥ã€‚é€šè¿‡åˆ©ç”¨ä»£å­—å?· (?)<br />ä»¥å?Šå¯¹ç‰¹å®šå­—æ®µçš„è¯´æ˜Žï¼Œå?¯ä»¥è¾¾åˆ°è¿™ä¸€ç›®çš„ï¼Œå¦‚ä¸‹ä¾‹æ‰€ç¤ºï¼š </p>
<p>
<p align="left">$ awk &#8216;$5 ? /AR/&#8217; emp_names </p>
<p>
<p align="left">46019 BOGUE ROBERT PHOENIX AZ </p>
<p>
<p align="left">46021 JUNE MICAH PHOENIX AZ </p>
<p>
<p align="left">46022 KANE SHERYL UNKNOWN AZ </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">ä»£å­—å?·ï¼ˆè¡¨ç¤ºåŒ¹é…?ï¼‰çš„å¯¹åº”ç¬¦å?·æ˜¯ä¸€ä¸ªå‰?é?¢å¸¦æœ‰æ„Ÿå?¹å?·çš„ä»£å­—å?· (!?) ã€‚è¿™äº›å­—ç¬¦é€šçŸ¥ç¨‹åº?ï¼Œå¦‚æžœæ?œç´¢åº?åˆ—æ²¡æœ‰å‡ºçŽ°åœ¨æŒ‡å®šå­—æ®µä¸­ï¼Œåˆ™æ‰¾å‡ºä¸Žæ?œç´¢åº?åˆ—ç›¸åŒ¹é…?çš„æ‰€æœ‰è¡Œï¼š </p>
<p>
<p align="left">$ awk &#8216;$5 !? /AR/&#8217; names </p>
<p>
<p align="left">46012 DULANEY EVAN MOBILE AL </p>
<p>
<p align="left">46013 DURHAM JEFF MOBILE AL </p>
<p>
<p align="left">46015 STEEN BILL MOBILE AL </p>
<p>
<p align="left">46017 FELDMAN EVAN MOBILE AL </p>
<p>
<p align="left">46018 SWIM STEVE UNKNOWN AL </p>
<p>
<p align="left">46024 WOOD WILLIAM MUNCIE IN </p>
<p>
<p align="left">46026 FERGUS SARAH MUNCIE IN </p>
<p>
<p align="left">46027 BUCK SARAH MUNCIE IN </p>
<p>
<p align="left">46029 TUTTLE BOB MUNCIE IN </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">åœ¨è¿™ç§?æƒ…å†µä¸‹ï¼Œå°†æ˜¾ç¤ºç¬¬äº”ä¸ªå­—æ®µä¸­æ²¡æœ‰ AR çš„æ‰€æœ‰è¡Œ â€” åŒ…æ‹¬ä¸¤ä¸ª Sarah æ?¡ç›®ï¼Œè¿™ä¸¤ä¸ªæ?¡ç›®ç¡®å®žåŒ…å?« AR ï¼Œä½†å?´æ˜¯åœ¨ç¬¬ä¸‰ä¸ªå­—æ®µè€Œä¸?æ˜¯ç¬¬äº”ä¸ªå­—æ®µä¸­ã€‚ </p>
<p>
<p align="left"><strong>èŠ±æ‹¬å?·å’Œå­—æ®µåˆ†éš”ç¬¦ </strong></p>
<p>
<p align="left">æ‹¬å?·å­—ç¬¦åœ¨ AWK å‘½ä»¤ä¸­èµ·ç?€å¾ˆé‡?è¦?çš„ä½œç”¨ã€‚å‡ºçŽ°åœ¨æ‹¬å?·ä¹‹é—´çš„æ“?ä½œæŒ‡å‡ºå°†è¦?å?‘ç”Ÿä»€ä¹ˆä»¥å?Šä½•æ—¶å?‘ç”Ÿã€‚å½“å?ªä½¿ç”¨ä¸€å¯¹æ‹¬å?·æ—¶ï¼š </p>
<p>
<p align="left">{print $3,$2} </p>
<p>
<p align="left">æ‹¬å?·é—´çš„æ‰€æœ‰æ“?ä½œå?Œæ—¶å?‘ç”Ÿã€‚å½“ä½¿ç”¨å¤šäºŽä¸€å¯¹çš„æ‹¬å?·æ—¶ï¼š </p>
<p>
<p align="left">{print $3}{print $2} </p>
<p>
<p align="left">æ‰§è¡Œç¬¬ä¸€ç»„å‘½ä»¤ï¼Œåœ¨è¯¥å‘½ä»¤å®Œæˆ?å?Žæ‰§è¡Œç¬¬äºŒç»„å‘½ä»¤ã€‚æ³¨æ„?ä»¥ä¸‹ä¸¤åˆ—æ¸…å?•çš„åŒºåˆ«ï¼š </p>
<p>
<p align="left">$ awk &#8216;{print $3,$2}&#8217; names </p>
<p>
<p align="left">EVAN DULANEY </p>
<p>
<p align="left">JEFF DURHAM </p>
<p>
<p align="left">BILL STEEN </p>
<p>
<p align="left">EVAN FELDMAN </p>
<p>
<p align="left">STEVE SWIM </p>
<p>
<p align="left">ROBERT BOGUE </p>
<p>
<p align="left">MICAH JUNE </p>
<p>
<p align="left">SHERYL KANE </p>
<p>
<p align="left">WILLIAM WOOD </p>
<p>
<p align="left">SARAH FERGUS </p>
<p>
<p align="left">SARAH BUCK </p>
<p>
<p align="left">BOB TUTTLE </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">$ awk &#8216;{print $3}{print $2}&#8217; names </p>
<p>
<p align="left">EVAN </p>
<p>
<p align="left">DULANEY </p>
<p>
<p align="left">JEFF </p>
<p>
<p align="left">DURHAM </p>
<p>
<p align="left">BILL </p>
<p>
<p align="left">STEEN </p>
<p>
<p align="left">EVAN </p>
<p>
<p align="left">FELDMAN </p>
<p>
<p align="left">STEVE </p>
<p>
<p align="left">SWIM </p>
<p>
<p align="left">ROBERT </p>
<p>
<p align="left">BOGUE </p>
<p>
<p align="left">MICAH </p>
<p>
<p align="left">JUNE </p>
<p>
<p align="left">SHERYL </p>
<p>
<p align="left">KANE </p>
<p>
<p align="left">WILLIAM </p>
<p>
<p align="left">WOOD </p>
<p>
<p align="left">SARAH </p>
<p>
<p align="left">FERGUS </p>
<p>
<p align="left">SARAH </p>
<p>
<p align="left">BUCK </p>
<p>
<p align="left">BOB </p>
<p>
<p align="left">TUTTLE </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">è¦?åˆ©ç”¨å¤šç»„æ‹¬å?·è¿›è¡Œé‡?å¤?æŸ¥æ‰¾ï¼Œæ‰§è¡Œç¬¬ä¸€ç»„ä¸­çš„å‘½ä»¤ç›´åˆ°å®Œæˆ?ä¸ºæ­¢ï¼›ç„¶å?Žå¤„ç?†ç¬¬äºŒç»„å‘½ä»¤ã€‚å¦‚æžœæœ‰ç¬¬ä¸‰ç»„å‘½ä»¤ï¼Œåˆ™åœ¨ç¬¬äºŒç»„å‘½ä»¤<br />å®Œæˆ?å?Žæ‰§è¡Œå®ƒï¼Œä»¥æ­¤ç±»æŽ¨ã€‚åœ¨æ‰€ç”Ÿæˆ?çš„æ‰“å?°è¾“å‡ºä¸­ï¼Œæœ‰ä¸¤ä¸ªåˆ†éš”çš„æ‰“å?°å‘½ä»¤ï¼Œå› æ­¤å…ˆæ‰§è¡Œç¬¬ä¸€ä¸ªå‘½ä»¤ï¼Œéš?å?Žæ‰§è¡Œç¬¬äºŒä¸ªå‘½ä»¤ï¼Œè¿™æ ·å¯¼è‡´æ¯?ä¸ªæ?¡ç›®æ˜¾ç¤ºåœ¨ä¸¤è¡Œè€Œä¸?æ˜¯ä¸€<br />è¡Œä¸­ã€‚ </p>
<p>
<p align="left">åŒºåˆ†ä¸¤ä¸ªå­—æ®µçš„å­—æ®µåˆ†éš”ç¬¦ä¸?ä¸€å®šå§‹ç»ˆæ˜¯ç©ºæ ¼ï¼›å®ƒå?¯ä»¥æ˜¯ä»»ä½•å?¯è¯†åˆ«çš„å­—ç¬¦ã€‚ä¸ºè¿›è¡Œæ¼”ç¤ºï¼Œå?‡å®š emp_names æ–‡ä»¶åˆ©ç”¨å†’å?·è€Œä¸?æ˜¯åˆ¶è¡¨ç¬¦æ?¥åˆ†éš”å­—æ®µï¼š </p>
<p>
<p align="left">$ cat emp_names </p>
<p>
<p align="left">46012:DULANEY:EVAN: MOBILE : AL </p>
<p>
<p align="left">46013: DURHAM :JEFF: MOBILE : AL </p>
<p>
<p align="left">46015:STEEN:BILL: MOBILE : AL </p>
<p>
<p align="left">46017:FELDMAN:EVAN: MOBILE : AL </p>
<p>
<p align="left">46018:SWIM:STEVE:UNKNOWN: AL </p>
<p>
<p align="left">46019:BOGUE:ROBERT: PHOENIX :AZ </p>
<p>
<p align="left">46021:JUNE:MICAH: PHOENIX :AZ </p>
<p>
<p align="left">46022:KANE:SHERYL:UNKNOWN:AR </p>
<p>
<p align="left">46024:WOOD:WILLIAM: MUNCIE :IN </p>
<p>
<p align="left">46026:FERGUS:SARAH: MUNCIE :IN </p>
<p>
<p align="left">46027:BUCK:SARAH: MUNCIE :IN </p>
<p>
<p align="left">46029:TUTTLE:BOB: MUNCIE :IN </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å¦‚æžœè¯•å›¾é€šè¿‡æŒ‡å®šæ‰€éœ€è¦?çš„ç¬¬äºŒä¸ªå­—æ®µæ?¥æ‰“å?°å§“æ°? </p>
<p>
<p align="left">$ awk &#8216;{print $2}&#8217; emp_names </p>
<p>
<p align="left">æ‚¨æœ€å?Žä¼šå¾—åˆ°å??äºŒä¸ªç©ºè¡Œã€‚å› ä¸ºæ–‡ä»¶ä¸­æ²¡æœ‰ç©ºæ ¼ï¼Œé™¤äº†ç¬¬ä¸€ä¸ªå­—æ®µä¹‹å¤–æ²¡æœ‰å?¯è®¤åˆ«çš„å­—æ®µã€‚ä¸ºè§£å†³è¿™ä¸€é—®é¢˜ï¼Œå¿…é¡»é€šçŸ¥<br />AWK æ˜¯ç©ºæ ¼ä¹‹å¤–çš„å?¦ä¸€ä¸ªå­—ç¬¦ä½œä¸ºåˆ†éš”ç¬¦ï¼Œæœ‰ä¸¤ç§?æ–¹æ³•å?¯é€šçŸ¥ AWK ä½¿ç”¨æ–°çš„å­—æ®µåˆ†éš”ç¬¦ï¼šä½¿ç”¨å‘½ä»¤è¡Œå?‚æ•° -F ï¼Œæˆ–åœ¨ç¨‹åº?ä¸­æŒ‡å®šå?˜é‡? FS<br />ã€‚ä¸¤ç§?æ–¹æ³•çš„æ•ˆæžœç›¸å?Œï¼Œå?ªæœ‰ä¸€ç§?ä¾‹å¤–æƒ…å†µï¼Œå¦‚ä¸‹ä¾‹æ‰€ç¤ºï¼š </p>
<p>
<p align="left">$ awk &#8216;{FS=&#8221;:&#8221;}{print $2}&#8217; emp_names </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">DURHAM </p>
<p>
<p align="left">STEEN </p>
<p>
<p align="left">FELDMAN </p>
<p>
<p align="left">SWIM </p>
<p>
<p align="left">BOGUE </p>
<p>
<p align="left">JUNE </p>
<p>
<p align="left">KANE </p>
<p>
<p align="left">WOOD </p>
<p>
<p align="left">FERGUS </p>
<p>
<p align="left">BUCK </p>
<p>
<p align="left">TUTTLE </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">$ awk -F: &#8216;{print $2}&#8217; emp_names </p>
<p>
<p align="left">DULANEY </p>
<p>
<p align="left">DURHAM </p>
<p>
<p align="left">STEEN </p>
<p>
<p align="left">FELDMAN </p>
<p>
<p align="left">SWIM </p>
<p>
<p align="left">BOGUE </p>
<p>
<p align="left">JUNE </p>
<p>
<p align="left">KANE </p>
<p>
<p align="left">WOOD </p>
<p>
<p align="left">FERGUS </p>
<p>
<p align="left">BUCK </p>
<p>
<p align="left">TUTTLE </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">åœ¨ç¬¬ä¸€ä¸ªå‘½ä»¤ä¸­ï¼Œå¤´ä¸€æ?¡è®°å½•è¿”å›žä¸?æ­£ç¡®çš„ç©ºè¡Œï¼Œè€Œå…¶ä»–ç»“æžœæ­£ç¡®ã€‚ç›´åˆ°è¯»å?–ç¬¬äºŒæ?¡è®°å½•æ—¶ï¼Œæ‰?è¯†åˆ«å­—æ®µåˆ†éš”ç¬¦å¹¶æ­£ç¡®åœ°æ‰§è¡Œã€‚é€šè¿‡ä½¿ç”¨ BEGIN è¯­å?¥å?¯ä»¥çº æ­£è¿™ä¸€ç¼ºç‚¹ï¼ˆåœ¨å?Žæ–‡è¯¦è¿°ï¼‰ã€‚ -F çš„åŠŸèƒ½é?žå¸¸ç±»ä¼¼äºŽ BEGIN ï¼Œèƒ½å¤Ÿæ­£ç¡®åœ°è¯»å?–ç¬¬ä¸€æ?¡è®°å½•å¹¶æŒ‰è¦?æ±‚æ‰§è¡Œã€‚ </p>
<p>
<p align="left">åœ¨æœ¬æ–‡å¼€å§‹å¤„æˆ‘æ›¾æ??åˆ°ï¼Œé»˜è®¤çš„æ˜¾ç¤º / è¾“å‡ºå­—æ®µåˆ†éš”ç¬¦æ˜¯ç©ºæ ¼ã€‚é€šè¿‡ä½¿ç”¨è¾“å‡ºå­—æ®µåˆ†éš”ç¬¦ ( OFS ) å?˜é‡?ï¼Œå?¯ä»¥åœ¨ç¨‹åº?ä¸­æ›´æ”¹æ­¤ç‰¹æ€§ã€‚ä¾‹å¦‚ï¼Œè¦?è¯»å?–æ–‡ä»¶ï¼ˆç”±å†’å?·åˆ†éš”ï¼‰å¹¶ä»¥çŸ­åˆ’çº¿æ˜¾ç¤ºï¼Œåˆ™å‘½ä»¤æ˜¯ </p>
<p>
<p align="left">$ awk -F&#8221;:&#8221; &#8216;{OFS=&#8221;-&#8221;}{print $1,$2,$3,$4,$5}&#8217; emp_names </p>
<p>
<p align="left">46012-DULANEY-EVAN-MOBILE-AL </p>
<p>
<p align="left">46013-DURHAM-JEFF-MOBILE-AL </p>
<p>
<p align="left">46015-STEEN-BILL-MOBILE-AL </p>
<p>
<p align="left">46017-FELDMAN-EVAN-MOBILE-AL </p>
<p>
<p align="left">46018-SWIM-STEVE-UNKNOWN-AL </p>
<p>
<p align="left">46019-BOGUE-ROBERT-PHOENIX-AZ </p>
<p>
<p align="left">46021-JUNE-MICAH-PHOENIX-AZ </p>
<p>
<p align="left">46022-KANE-SHERYL-UNKNOWN-AR </p>
<p>
<p align="left">46024-WOOD-WILLIAM-MUNCIE-IN </p>
<p>
<p align="left">46026-FERGUS-SARAH-MUNCIE-IN </p>
<p>
<p align="left">46027-BUCK-SARAH-MUNCIE-IN </p>
<p>
<p align="left">46029-TUTTLE-BOB-MUNCIE-IN </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">FS å’Œ OFS æ˜¯ï¼ˆè¾“å…¥ï¼‰å­—æ®µåˆ†éš”ç¬¦å’Œè¾“å‡ºå­—æ®µåˆ†éš”ç¬¦ï¼Œå®ƒä»¬å?ªæ˜¯ä¸€å¯¹å?¯ä»¥åœ¨ AWK å®žç”¨å·¥å…·ä¸­ä½¿ç”¨çš„å?˜é‡?ã€‚ä¾‹å¦‚ï¼Œè¦?åœ¨æ‰“å?°æ—¶ä¸ºæ¯?è¡Œç¼–å?·ï¼Œå?¯ä»¥é‡‡ç”¨ä»¥ä¸‹æ–¹å¼?ä½¿ç”¨ NR å?˜é‡?ï¼š </p>
<p>
<p align="left">$ awk -F&#8221;:&#8221; &#8216;{print NR,$1,$2,$3}&#8217; emp_names </p>
<p>
<p align="left">1 46012 DULANEY EVAN </p>
<p>
<p align="left">2 46013 DURHAM JEFF </p>
<p>
<p align="left">3 46015 STEEN BILL </p>
<p>
<p align="left">4 46017 FELDMAN EVAN </p>
<p>
<p align="left">5 46018 SWIM STEVE </p>
<p>
<p align="left">6 46019 BOGUE ROBERT </p>
<p>
<p align="left">7 46021 JUNE MICAH </p>
<p>
<p align="left">8 46022 KANE SHERYL </p>
<p>
<p align="left">9 46024 WOOD WILLIAM </p>
<p>
<p align="left">10 46026 FERGUS SARAH </p>
<p>
<p align="left">11 46027 BUCK SARAH </p>
<p>
<p align="left">12 46029 TUTTLE BOB </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">æ‰¾å‡ºå‘˜å·¥å?·ç ?å¤„äºŽ 46012 å’Œ 46015 ä¹‹é—´çš„æ‰€æœ‰è¡Œï¼š </p>
<p>
<p align="left">$ awk -F&#8221;:&#8221; &#8216;/4601[2-5]/&#8217; emp_names </p>
<p>
<p align="left">46012 DULANEY EVAN MOBILE AL </p>
<p>
<p align="left">46013 DURHAM JEFF MOBILE AL </p>
<p>
<p align="left">46015 STEEN BILL MOBILE AL </p>
<p>
<p align="left">$ </p>
<p>
<p align="left"><strong>æ·»åŠ æ–‡æœ¬ </strong></p>
<p>
<p align="left">å?¯ä»¥æŒ‰ç…§æ·»åŠ æŽ§åˆ¶åº?åˆ—æˆ–å…¶ä»–å­—ç¬¦çš„ç›¸å?Œæ–¹å¼?å°†æ–‡æœ¬æ·»åŠ åˆ°æ˜¾ç¤ºä¸­ã€‚ä¾‹å¦‚ï¼Œè¦?å°†åˆ†éš”ç¬¦ä»Žç©ºæ ¼æ”¹ä¸ºå†’å?·ï¼Œåˆ™å‘½ä»¤æ˜¯ </p>
<p>
<p align="left">awk &#8216;{print $1&#8243;:&#8221;$2&#8243;:&#8221;$3&#8243;:&#8221;$4&#8243;:&#8221;$5}&#8217; emp_names &gt; new_emp_names </p>
<p>
<p>åœ¨è¿™ç§?æƒ…å†µä¸‹ï¼Œå­—ç¬¦ ( : ) åŒ…å?«åœ¨å¼•å?· ( &#8220;/&#8221; ) ä¸­ï¼Œå®ƒè¢«æ·»åŠ åˆ°æ¯?ä¸ªå­—æ®µä¹‹é—´ã€‚åœ¨å¼•å?·ä¹‹é—´çš„å€¼å?¯ä»¥æ˜¯ä»»ä½•å†…å®¹ã€‚ä¾‹å¦‚ï¼Œåˆ›å»ºä¸€ä¸ªå…³äºŽå±…ä½?åœ¨é˜¿æ‹‰å·´é©¬å·žçš„å‘˜å·¥çš„å¤–è§‚ç±»ä¼¼æ•°æ?®åº“çš„æ˜¾ç¤ºï¼š </p>
<p>
<p align="left">$ awk &#8216;$5 ~ /AL/ {print &#8220;NAME: &#8220;$2&#8243;, &#8220;$3&#8243;\nCITY-STATE: </p>
<p>
<p align="left">&#8220;$4&#8243;, &#8220;$5&#8243;\n&#8221;}&#8217; emp_names </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">NAME: DULANEY, EVAN </p>
<p>
<p align="left">CITY-STATE: MOBILE , AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">NAME: DURHAM , JEFF </p>
<p>
<p align="left">CITY-STATE: MOBILE , AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">NAME: STEEN, BILL </p>
<p>
<p align="left">CITY-STATE: MOBILE , AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">NAME: FELDMAN, EVAN </p>
<p>
<p align="left">CITY-STATE: MOBILE , AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">NAME: SWIM, STEVE </p>
<p>
<p align="left">CITY-STATE: UNKNOWN, AL </p>
<p>
<p align="left">$ </p>
<p>
<p align="left"><strong>æ•°å­¦æ“?ä½œ </strong></p>
<p>
<p align="left">AWK é™¤äº†æ??ä¾›æ–‡æœ¬åŠŸèƒ½ï¼Œè¿˜æ??ä¾›å…¨éƒ¨èŒƒå›´çš„ç®—æœ¯æ“?ä½œç¬¦ï¼ŒåŒ…æ‹¬ä»¥ä¸‹ç¬¦å?·ï¼š </p>
<p>
<p align="left">+ å°†æ•°å­—ç›¸åŠ  <br />- å‡? <br />* ä¹˜ <br />/ é™¤ <br />^ æ‰§è¡ŒæŒ‡æ•°è¿?ç®— <br />% æ??ä¾›æ¨¡ <br />++ å°†å?˜é‡?å€¼åŠ ä¸€ <br />+= å°†å…¶ä»–æ“?ä½œçš„ç»“æžœåˆ†é…?ç»™å?˜é‡? <br />â€” å°†å?˜é‡?å‡?ä¸€ <br />-= å°†å‡?æ³•æ“?ä½œçš„ç»“æžœåˆ†é…?ç»™å?˜é‡? <br />*= åˆ†é…?ä¹˜æ³•æ“?ä½œçš„ç»“æžœ <br />/= åˆ†é…?é™¤æ³•æ“?ä½œçš„ç»“æžœ <br />%= åˆ†é…?æ±‚æ¨¡æ“?ä½œçš„ç»“æžœ </p>
<p>
<p align="left">ä¾‹å¦‚ï¼Œå?‡å®šæ‚¨çš„æœºå™¨ä¸Šå­˜åœ¨ä»¥ä¸‹çš„æ–‡ä»¶ï¼Œè¯¦ç»†åœ°åˆ—å‡ºç¡¬ä»¶å•†åº—ä¸­çš„ç‰©å“?ï¼š </p>
<p>
<p align="left">$ cat inventory </p>
<p>
<p align="left">hammers 5 7.99 </p>
<p>
<p align="left">drills 2 29.99 </p>
<p>
<p align="left">punches 7 3.59 </p>
<p>
<p align="left">drifts 2 4.09 </p>
<p>
<p align="left">bits 55 1.19 </p>
<p>
<p align="left">saws 123 14.99 </p>
<p>
<p align="left">nails 800 .19 </p>
<p>
<p align="left">screws 80 .29 </p>
<p>
<p align="left">brads 100 .24 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">ç¬¬ä¸€é¡¹ä¸šåŠ¡å®šå?•æ˜¯é€šè¿‡å°†ç¬¬äºŒä¸ªå­—æ®µï¼ˆæ•°é‡?ï¼‰çš„å€¼ä¹˜ä»¥ç¬¬ä¸‰ä¸ªå­—æ®µï¼ˆä»·æ ¼ï¼‰çš„å€¼ï¼Œè®¡ç®—æ¯?ç§?ç‰©å“?çš„åº“å­˜ä»·å€¼ï¼š </p>
<p>
<p align="left">$ awk &#8216;{print $1,&#8221;QTY: &#8220;$2,&#8221;PRICE: &#8220;$3,&#8221;TOTAL: &#8220;$2*$3}&#8217; inventory </p>
<p>
<p align="left">hammers QTY: 5 PRICE: 7.99 TOTAL: 39.95 </p>
<p>
<p align="left">drills QTY: 2 PRICE: 29.99 TOTAL: 59.98 </p>
<p>
<p align="left">punches QTY: 7 PRICE: 3.59 TOTAL: 25.13 </p>
<p>
<p align="left">drifts QTY: 2 PRICE: 4.09 TOTAL: 8.18 </p>
<p>
<p align="left">bits QTY: 55 PRICE: 1.19 TOTAL: 65.45 </p>
<p>
<p align="left">saws QTY: 123 PRICE: 14.99 TOTAL: 1843.77 </p>
<p>
<p align="left">nails QTY: 800 PRICE: .19 TOTAL: 152 </p>
<p>
<p align="left">screws QTY: 80 PRICE: .29 TOTAL: 23.2 </p>
<p>
<p align="left">brads QTY: 100 PRICE: .24 TOTAL: 24 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å¦‚æžœè¿™äº›è¡Œæœ¬èº«å¹¶ä¸?é‡?è¦?ï¼Œæ‚¨å?ªæ˜¯å¸Œæœ›ç¡®å®šå•†åº—ä¸­æœ‰å¤šå°‘ä»¶ç‰©å“?ï¼Œåˆ™å?¯ä»¥åˆ†é…?ä¸€ä¸ªæ™®é€šå?˜é‡?ï¼ŒæŒ‰ç…§æ¯?æ?¡è®°å½•ä¸­çš„ç‰©å“?æ•°é‡?å¢žåŠ ï¼š </p>
<p>
<p align="left">$ awk &#8216;{x=x+$2} {print x}&#8217; inventory </p>
<p>
<p align="left">5 </p>
<p>
<p align="left">7 </p>
<p>
<p align="left">14 </p>
<p>
<p align="left">16 </p>
<p>
<p align="left">71 </p>
<p>
<p align="left">194 </p>
<p>
<p align="left">994 </p>
<p>
<p align="left">1074 </p>
<p>
<p align="left">1174 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">æ ¹æ?®è¿™ä¸€æ•°æ?®ï¼Œå•†åº—ä¸­æœ‰ 1174 ä»¶ç‰©å“?ã€‚ç¬¬ä¸€æ¬¡æ‰§è¡Œæ—¶ï¼Œå?˜é‡? x æ²¡æœ‰å€¼ï¼Œå› æ­¤å®ƒé‡‡ç”¨ç¬¬ä¸€è¡Œç¬¬äºŒä¸ªå­—æ®µçš„å€¼ã€‚ç¬¬äºŒæ¬¡æ‰§è¡Œæ—¶ï¼Œå®ƒä¿?ç•™äº†ç¬¬ä¸€è¡Œçš„å€¼å¹¶åŠ ä¸Šç¬¬äºŒè¡Œçš„å€¼ï¼Œä»¥æ­¤ç±»æŽ¨ï¼Œç›´åˆ°è¾¾åˆ°ç´¯è®¡çš„æ€»å?ˆã€‚ </p>
<p>
<p align="left">å?¯ä»¥åº”ç”¨ç›¸å?Œçš„è¿‡ç¨‹æ?¥ç¡®å®šçŽ°æœ‰åº“å­˜çš„æ€»ä»·å€¼ï¼š </p>
<p>
<p align="left">$ awk &#8216;{x=x+($2*$3)} {print x}&#8217; inventory </p>
<p>
<p align="left">39.95 </p>
<p>
<p align="left">99.93 </p>
<p>
<p align="left">125.06 </p>
<p>
<p align="left">133.24 </p>
<p>
<p align="left">198.69 </p>
<p>
<p align="left">2042.46 </p>
<p>
<p align="left">2194.46 </p>
<p>
<p align="left">2217.66 </p>
<p>
<p align="left">2241.66 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å› æ­¤ï¼Œ 1174 ä»¶ç‰©å“?çš„ä»·å€¼æ˜¯ $2,241.66 ã€‚è™½ç„¶è¿™ä¸€è¿‡ç¨‹å?¯ä»¥èŽ·å¾—æ€»è®¡å€¼ï¼Œä½†å®ƒçš„å¤–è§‚å¾ˆå·®ï¼Œéœ€è¦?åŠ å·¥æˆ?å®žé™…çš„æŠ¥è¡¨ã€‚åˆ©ç”¨ä¸€äº›é™„åŠ é¡¹ï¼Œå¾ˆå®¹æ˜“ä½¿æ˜¾ç¤ºå?˜å¾—æ›´æ•´æ´?ï¼š </p>
<p>
<p align="left">$ awk &#8216;{x=x+($2*$3)}{print $1,&#8221;QTY: &#8220;$2,&#8221;PRICE: &#8220;$3,&#8221;TOTAL: &#8220;$2*$3,&#8221;BAL: &#8220;x}&#8217; inventory </p>
<p>
<p align="left">hammers QTY: 5 PRICE: 7.99 TOTAL: 39.95 BAL: 39.95 </p>
<p>
<p align="left">drills QTY: 2 PRICE: 29.99 TOTAL: 59.98 BAL: 99.93 </p>
<p>
<p align="left">punches QTY: 7 PRICE: 3.59 TOTAL: 25.13 BAL: 125.06 </p>
<p>
<p align="left">drifts QTY: 2 PRICE: 4.09 TOTAL: 8.18 BAL: 133.24 </p>
<p>
<p align="left">bits QTY: 55 PRICE: 1.19 TOTAL: 65.45 BAL: 198.69 </p>
<p>
<p align="left">saws QTY: 123 PRICE: 14.99 TOTAL: 1843.77 BAL: 2042.46 </p>
<p>
<p align="left">nails QTY: 800 PRICE: .19 TOTAL: 152 BAL: 2194.46 </p>
<p>
<p align="left">screws QTY: 80 PRICE: .29 TOTAL: 23.2 BAL: 2217.66 </p>
<p>
<p align="left">brads QTY: 100 PRICE: .24 TOTAL: 24 BAL: 2241.66 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">è¯¥è¿‡ç¨‹æ??ä¾›äº†æ¯?æ?¡è®°å½•çš„æ¸…å?•ï¼Œå?Œæ—¶å°†æ€»ä»·å€¼åˆ†é…?ç»™åº“å­˜å€¼ï¼Œå¹¶ä¿?æŒ?å•†åº—èµ„äº§çš„è¿?ä½œå¹³è¡¡ã€‚ </p>
<p>
<p align="left"><strong>BEGIN </strong>å’Œ <strong>END </strong></p>
<p>
<p align="left">ä½¿ç”¨ BEGIN å’Œ END è¯­å?¥å?¯ä»¥åˆ†åˆ«æŒ‡å®šåœ¨å¤„ç?†å®žé™…å¼€å§‹ä¹‹å‰?æˆ–è€…å®Œæˆ?ä¹‹å?Žè¿›è¡Œæ“?ä½œã€‚ BEGIN è¯­å?¥æœ€å¸¸ç”¨äºŽå»ºç«‹å?˜é‡?æˆ–æ˜¾ç¤ºæ ‡é¢˜ã€‚å?¦ä¸€æ–¹é?¢ï¼Œ END è¯­å?¥å?¯ç”¨äºŽåœ¨ç¨‹åº?ç»“æ?Ÿå?Žç»§ç»­è¿›è¡Œå¤„ç?†ã€‚ </p>
<p>
<p align="left">åœ¨å‰?é?¢çš„ç¤ºä¾‹ä¸­ï¼Œåˆ©ç”¨ä»¥ä¸‹ä¾‹ç¨‹ç”Ÿæˆ?äº†ç‰©å“?çš„æ€»ä»·å€¼ï¼š </p>
<p>
<p align="left">awk &#8216;{x=x+($2*$3)} {print x}&#8217; inventory </p>
<p>
<p align="left">è¯¥ä¾‹ç¨‹åœ¨è¿?è¡Œæ€»è®¡ç´¯åŠ æ—¶æ˜¾ç¤ºäº†æ–‡ä»¶ä¸­çš„æ¯?ä¸€è¡Œã€‚æ²¡æœ‰å…¶ä»–æ–¹æ³•å?¯ä»¥æŒ‡å®šå®ƒï¼Œè€Œä¸?è®©åœ¨æ¯?ä¸€è¡Œè¿›è¡Œæ‰“å?°ä¹Ÿå¯¼è‡´å®ƒå§‹ç»ˆä¸?æ‰“å?°å‡ºæ?¥ã€‚ä½†æ˜¯ï¼Œåˆ©ç”¨ END è¯­å?¥å?¯ä»¥é?¿å…?è¿™ä¸€é—®é¢˜ï¼š </p>
<p>
<p align="left">$ awk &#8216;{x=x+($2*$3)} END {print &#8220;Total Value of Inventory:&#8221;x}&#8217; inventory </p>
<p>
<p align="left">Total Value of Inventory: 2241.66 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">å®šä¹‰äº†å?˜é‡? <em>x </em>ï¼Œå®ƒå¯¹æ¯?ä¸€è¡Œè¿›è¡Œå¤„ç?†ï¼›ä½†æ˜¯ï¼Œåœ¨æ‰€æœ‰å¤„ç?†å®Œæˆ?ä¹‹å‰?ä¸?ä¼šç”Ÿæˆ?æ˜¾ç¤ºã€‚å°½ç®¡å?¯ä»¥ä½œä¸ºç‹¬ç«‹ä¾‹ç¨‹ä½¿ç”¨ï¼Œå®ƒä¹Ÿå?¯ä»¥ç½®å…¥åˆ°å…ˆå‰?çš„ä»£ç ?åˆ—è¡¨ï¼Œæ·»åŠ æ›´å¤šä¿¡æ?¯å¹¶ç”Ÿæˆ?æ›´å®Œæ•´çš„æŠ¥è¡¨ï¼š </p>
<p>
<p align="left">$ awk &#8216;{x=x+($2*$3)} {print $1,&#8221;QTY: &#8220;$2,&#8221;PRICE: </p>
<p>
<p align="left">&#8220;$3,&#8221;TOTAL: &#8220;$2*$3} END {print &#8220;Total Value of Inventory: &#8221; x}&#8217; inventory </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">hammers QTY: 5 PRICE: 7.99 TOTAL: 39.95 </p>
<p>
<p align="left">drills QTY: 2 PRICE: 29.99 TOTAL: 59.98 </p>
<p>
<p align="left">punches QTY: 7 PRICE: 3.59 TOTAL: 25.13 </p>
<p>
<p align="left">drifts QTY: 2 PRICE: 4.09 TOTAL: 8.18 </p>
<p>
<p align="left">bits QTY: 55 PRICE: 1.19 TOTAL: 65.45 </p>
<p>
<p align="left">saws QTY: 123 PRICE: 14.99 TOTAL: 1843.77 </p>
<p>
<p align="left">nails QTY: 800 PRICE: .19 TOTAL: 152 </p>
<p>
<p align="left">screws QTY: 80 PRICE: .29 TOTAL: 23.2 </p>
<p>
<p align="left">brads QTY: 100 PRICE: .24 TOTAL: 24 </p>
<p>
<p align="left">Total Value of Inventory: 2241.66 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">BEGIN å‘½ä»¤ä¸Ž END çš„å·¥ä½œæ–¹å¼?ç›¸å?Œï¼Œä½†å®ƒå»ºç«‹äº†é‚£äº›éœ€è¦?åœ¨å®Œæˆ?å…¶ä»–å·¥ä½œä¹‹å‰?æ‰€å?šçš„é¡¹ç›®ã€‚è¯¥è¿‡ç¨‹æœ€å¸¸è§?çš„ç›®çš„æ˜¯åˆ›å»ºæŠ¥è¡¨çš„æ ‡é¢˜ã€‚æ­¤ä¾‹ç¨‹çš„è¯­æ³•ç±»ä¼¼äºŽ </p>
<p>
<p align="left">$ awk &#8216;BEGIN {print &#8220;ITEM QUANTITY PRICE TOTAL&#8221;}&#8217; </p>
<p>
<p align="left"><strong>è¾“å…¥ã€?è¾“å‡ºå’Œæº?æ–‡ä»¶ </strong></p>
<p>
<p align="left">AWK å·¥å…·å?¯ä»¥ä»Žæ–‡ä»¶ä¸­è¯»å?–å…¶è¾“å…¥ï¼Œæ­£å¦‚åœ¨æ­¤ä¹‹å‰?æ‰€æœ‰ç¤ºä¾‹æ‰€å?šçš„é‚£æ ·ï¼Œå®ƒä¹Ÿå?¯ä»¥ä»Žå…¶ä»–å‘½ä»¤çš„è¾“å‡ºä¸­èŽ·å?–è¾“å…¥ã€‚ä¾‹å¦‚ï¼š </p>
<p>
<p align="left">$ sort emp_names | awk &#8216;{print $3,$2}&#8217; </p>
<p>
<p align="left">awk å‘½ä»¤çš„è¾“å…¥æ˜¯æŽ’åº?æ“?ä½œçš„è¾“å‡ºã€‚é™¤äº† sort ï¼Œè¿˜å?¯ä»¥ä½¿ç”¨ä»»ä½•å…¶ä»–çš„ Linux å‘½ä»¤ â€” ä¾‹å¦‚ grep ã€‚è¯¥è¿‡ç¨‹å…?è®¸æ‚¨åœ¨ç¦»å¼€æ‰€é€‰å®šå­—æ®µå‰?å¯¹æ–‡ä»¶æ‰§è¡Œå…¶ä»–æ“?ä½œã€‚ </p>
<p>
<p align="left">ç±»ä¼¼äºŽè§£é‡Šç¨‹åº?ï¼Œ AWK ä½¿ç”¨è¾“å‡ºæ”¹å?‘æ“?ä½œç¬¦ &gt; å’Œ &gt;&gt;<br />å°†å…¶è¾“å‡ºæ”¾å…¥æ–‡ä»¶ä¸­è€Œä¸?æ˜¯æ ‡å‡†è¾“å‡ºè®¾å¤‡ã€‚è¿™äº›ç¬¦å?·çš„ä½œç”¨ç±»ä¼¼äºŽå®ƒä»¬åœ¨è§£é‡Šç¨‹åº?ä¸­çš„å¯¹åº”ç¬¦å?·ï¼Œå› æ­¤ &gt; åœ¨ä¸?å­˜åœ¨æ–‡ä»¶æ—¶åˆ›å»ºæ–‡ä»¶ï¼Œè€Œ<br /> /&gt;&gt; è¿½åŠ åˆ°çŽ°æœ‰æ–‡ä»¶çš„å°¾éƒ¨ã€‚è¯·çœ‹ä»¥ä¸‹çš„ç¤ºä¾‹ï¼š </p>
<p>
<p align="left">$ awk &#8216;{print NR, $1 ) &gt; &#8220;/tmp/filez&#8221; }&#8217; emp_names </p>
<p>
<p align="left">$ cat /tmp/filez </p>
<p>
<p align="left">1 46012 </p>
<p>
<p align="left">2 46013 </p>
<p>
<p align="left">3 46015 </p>
<p>
<p align="left">4 46017 </p>
<p>
<p align="left">5 46018 </p>
<p>
<p align="left">6 46019 </p>
<p>
<p align="left">7 46021 </p>
<p>
<p align="left">8 46022 </p>
<p>
<p align="left">9 46024 </p>
<p>
<p align="left">10 46026 </p>
<p>
<p align="left">11 46027 </p>
<p>
<p align="left">12 46029 </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">æ£€æŸ¥è¯¥è¯­å?¥çš„è¯­æ³•ï¼Œæ‚¨ä¼šçœ‹åˆ°è¾“å‡ºæ”¹å?‘æ˜¯åœ¨æ‰“å?°è¯­å?¥å®Œæˆ?å?Žè¿›è¡Œçš„ã€‚å¿…é¡»å°†æ–‡ä»¶å??åŒ…å?«åœ¨å¼•å?·ä¸­ï¼Œå?¦åˆ™å®ƒå?ªæ˜¯ä¸€ä¸ªæœªåˆ?å§‹åŒ–çš„<br />AWK å?˜é‡?ï¼Œè€Œå°†æŒ‡ä»¤è?”æŽ¥èµ·æ?¥ä¼šåœ¨ AWK ä¸­äº§ç”Ÿé”™è¯¯ã€‚ï¼ˆå¦‚æžœä¸?æ­£ç¡®åœ°ä½¿ç”¨æ”¹å?‘ç¬¦å?·ï¼Œåˆ™ AWK æ— æ³•äº†è§£è¯¥ç¬¦å?·æ„?å‘³ç?€ â€œ æ”¹å?‘ â€?<br />è¿˜æ˜¯ä¸€ä¸ªå…³ç³»æ“?ä½œç¬¦ã€‚ï¼‰ </p>
<p>
<p align="left">åœ¨ AWK ä¸­è¾“å‡ºåˆ°ç®¡é?“ä¹Ÿç±»ä¼¼äºŽè§£é‡Šç¨‹åº?ä¸­æ‰€å®žçŽ°çš„ç›¸å?Œæ“?ä½œã€‚è¦?å°†æ‰“å?°å‘½ä»¤çš„è¾“å‡ºå?‘é€?åˆ°ç®¡é?“ä¸­ï¼Œå?¯ä»¥åœ¨æ‰“å?°å‘½ä»¤å?Žé™„åŠ ç®¡é?“ç¬¦å?·ä»¥å?Šå‘½ä»¤çš„å??ç§°ï¼Œå¦‚ä¸‹æ‰€ç¤ºï¼š </p>
<p>
<p align="left">$ awk &#8216;{ print $2 | &#8220;sort&#8221; }&#8217; emp_names </p>
<p>
<p align="left">BOGUE </p>
<p>
<p align="left">BUCK </p>
<p>
<p align="left">DULANEY </p>
<p>
<p align="left">DURHAM </p>
<p>
<p align="left">FELDMAN </p>
<p>
<p align="left">FERGUS </p>
<p>
<p align="left">JUNE </p>
<p>
<p align="left">KANE </p>
<p>
<p align="left">STEEN </p>
<p>
<p align="left">SWIM </p>
<p>
<p align="left">TUTTLE </p>
<p>
<p align="left">WOOD </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">è¿™æ˜¯è¾“å‡ºæ”¹å?‘çš„æƒ…å†µï¼Œå¿…é¡»å°†å‘½ä»¤åŒ…å?«åœ¨å¼•å?·ä¸­ï¼Œè€Œç®¡é?“çš„å??ç§°æ˜¯è¢«æ‰§è¡Œå‘½ä»¤çš„å??ç§°ã€‚ </p>
<p>
<p align="left">AWK æ‰€ä½¿ç”¨çš„å‘½ä»¤å?¯ä»¥æ?¥è‡ªä¸¤ä¸ªåœ°æ–¹ã€‚é¦–å…ˆï¼Œå?¯ä»¥åœ¨å‘½ä»¤è¡Œä¸­æŒ‡å®šå®ƒä»¬ï¼Œå¦‚ç¤ºä¾‹ä¸­æ‰€ç¤ºã€‚å…¶æ¬¡ï¼Œå®ƒä»¬å?¯ä»¥ç”±æº?æ–‡ä»¶æ??ä¾›ã€‚å¦‚æžœæ˜¯è¿™ç§?æƒ…å†µï¼Œé€šè¿‡ -f é€‰é¡¹å°†è¿™ç§?æƒ…å†µå?‘ AWK å?‘å‡ºè­¦å‘Šã€‚æ¼”ç¤ºå¦‚ä¸‹ï¼š </p>
<p>
<p align="left">$ cat awklist </p>
<p>
<p align="left">{print $3,$2} </p>
<p>
<p align="left">{print $4,$5,&#8221;\n&#8221;} </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">$ awk -f awklist emp_names </p>
<p>
<p align="left">EVAN DULANEY </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">JEFF DURHAM </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">BILL STEEN </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">EVAN FELDMAN </p>
<p>
<p align="left">MOBILE AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">STEVE SWIM </p>
<p>
<p align="left">UNKNOWN AL </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">ROBERT BOGUE </p>
<p>
<p align="left">PHOENIX AZ </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">MICAH JUNE </p>
<p>
<p align="left">PHOENIX AZ </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">SHERYL KANE </p>
<p>
<p align="left">UNKNOWN AR </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">WILLIAM WOOD </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">SARAH FERGUS </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">SARAH BUCK </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">BOB TUTTLE </p>
<p>
<p align="left">MUNCIE IN </p>
<p>
<p align="left">&nbsp; </p>
<p>
<p align="left">$ </p>
<p>
<p align="left">æ³¨æ„?ï¼Œåœ¨æº?æ–‡ä»¶ä¸­çš„ä»»ä½•åœ°æ–¹æˆ–è€…åœ¨å‘½ä»¤è¡Œä¸­è°ƒç”¨å®ƒæ—¶ï¼Œä¸?ä½¿ç”¨å?•å¼•å?·ã€‚å?•å¼•å?·å?ªç”¨äºŽåŒºåˆ«å‘½ä»¤è¡Œä¸­çš„å‘½ä»¤ä¸Žæ–‡ä»¶å??ç§°ã€‚ </p>
<p>
<p align="left">å¦‚æžœç®€å?•çš„è¾“å‡ºä¸?èƒ½å¤„ç?†æ‚¨çš„ç¨‹åº?ä¸­æ‰€éœ€è¦?çš„å¤?æ?‚ä¿¡æ?¯ï¼Œåˆ™å?¯ä»¥å°?è¯•ç”± printf å‘½ä»¤èŽ·å¾—çš„æ›´åŠ å¤?æ?‚çš„è¾“å‡ºï¼Œå…¶è¯­æ³•æ˜¯ </p>
<p>
<p align="left">printf( format, value, value &#8230;) </p>
<p>
<p align="left">è¯¥è¯­æ³•ç±»ä¼¼äºŽ C è¯­è¨€ä¸­çš„ printf å‘½ä»¤ï¼Œè€Œæ ¼å¼?çš„è§„æ ¼æ˜¯ç›¸å?Œçš„ã€‚é€šè¿‡æ?’å…¥ä¸€é¡¹å®šä¹‰å¦‚ä½•æ‰“å?°æ•°å€¼çš„è§„æ ¼ï¼Œå?¯ä»¥å®šä¹‰è¯¥æ ¼å¼?ã€‚æ ¼å¼?è§„æ ¼åŒ…å?«ä¸€ä¸ªè·Ÿæœ‰å­—æ¯?çš„ % ã€‚ç±»ä¼¼äºŽæ‰“å?°å‘½ä»¤ï¼Œ printf ä¸?å¿…åŒ…å?«åœ¨åœ†æ‹¬å?·ä¸­ï¼Œä½†æ˜¯å?¯ä»¥è®¤ä¸ºä½¿ç”¨åœ†æ‹¬å?·æ˜¯ä¸€ç§?è‰¯å¥½çš„ä¹ æƒ¯ã€‚ </p>
<p>
<p align="left">ä¸‹è¡¨åˆ—å‡º printf å‘½ä»¤æ??ä¾›çš„å?„ç§?è§„æ ¼ã€‚ </p>
<p>
<p align="left">&nbsp; </p>
<p>
<table border="1" cellpadding="0" width="664">
<tbody>
<tr>
<td width="21%">
<p align="left"><strong>è§„æ ¼ </strong></p>
</td>
<p>
<td width="79%">
<p align="left"><strong>è¯´æ˜Ž </strong></p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%c </p>
</td>
<p>
<td>
<p align="left">æ‰“å?°å?•ä¸ª ASCII å­—ç¬¦ </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%d </p>
</td>
<p>
<td>
<p align="left">æ‰“å?°å??è¿›åˆ¶æ•° </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%e </p>
</td>
<p>
<td>
<p align="left">æ‰“å?°æ•°å­—çš„ç§‘å­¦è®¡æ•°è¡¨ç¤º </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%f </p>
</td>
<p>
<td>
<p align="left">æ‰“å?°æµ®ç‚¹è¡¨ç¤º </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%g </p>
</td>
<p>
<td>
<p align="left">æ‰“å?° %e æˆ– %f ï¼›ä¸¤ç§?æ–¹å¼?éƒ½æ›´ç®€çŸ­ </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%o </p>
</td>
<p>
<td>
<p align="left">æ‰“å?°æ— ç¬¦å?·çš„å…«è¿›åˆ¶æ•° </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">s </p>
</td>
<p>
<td>
<p align="left">æ‰“å?° ASCII å­—ç¬¦ä¸² </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%x </p>
</td>
<p>
<td>
<p align="left">æ‰“å?°æ— ç¬¦å?·çš„å??å…­è¿›åˆ¶æ•° </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">%% </p>
</td>
<p>
<td>
<p align="left">æ‰“å?°ç™¾åˆ†å?·ï¼›ä¸?æ‰§è¡Œè½¬æ?¢ </p>
</td>
</tr>
</tbody>
</table>
<p>
<p>å?¯ä»¥åœ¨ % ä¸Žå­—ç¬¦ä¹‹é—´æ??ä¾›æŸ?äº›é™„åŠ çš„æ ¼å¼?åŒ–å?‚æ•°ã€‚è¿™äº›å?‚æ•°è¿›ä¸€æ­¥æ”¹è¿›æ•°å€¼çš„æ‰“å?°æ–¹å¼?ï¼š </p>
<p>
<p align="left">&nbsp; </p>
<p>
<table border="1" cellpadding="0" width="100%">
<tbody>
<tr>
<td width="21%">
<p align="left"><strong>å?‚æ•° </strong></p>
</td>
<p>
<td width="79%">
<p align="left"><strong>è¯´æ˜Ž </strong></p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">- </p>
</td>
<p>
<td>
<p align="left">å°†å­—æ®µä¸­çš„è¡¨è¾¾å¼?å?‘å·¦å¯¹é½? </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">,width </p>
</td>
<p>
<td>
<p align="left">æ ¹æ?®éœ€è¦?å°†å­—æ®µè¡¥é½?åˆ°æŒ‡å®šå®½åº¦ï¼ˆå‰?å¯¼é›¶ä½¿ç”¨é›¶å°†å­—æ®µè¡¥é½?ï¼‰ </p>
</td>
</tr>
<p>
<tr>
<td>
<p align="left">.prec </p>
</td>
<p>
<td>
<p align="left">å°?æ•°ç‚¹å?³é?¢æ•°å­—çš„æœ€å¤§å­—ç¬¦ä¸²å®½åº¦æˆ–æœ€å¤§æ•°é‡? </p>
</td>
</tr>
</tbody>
</table>
<p>
<p>&nbsp;</p>
<p>
<p align="left">printf å‘½ä»¤èƒ½å¤ŸæŽ§åˆ¶å¹¶å°†æ•°å€¼ä»Žä¸€ç§?æ ¼å¼?è½¬æ?¢ä¸ºå?¦ä¸€ç§?æ ¼å¼?ã€‚å½“éœ€è¦?æ‰“å?°å?˜é‡?çš„å€¼æ—¶ï¼Œå?ªéœ€æ??ä¾›ä¸€ç§?è§„æ ¼ï¼ŒæŒ‡ç¤º<br />printf å¦‚ä½•æ‰“å?°ä¿¡æ?¯ï¼ˆé€šå¸¸åŒ…å?«åœ¨å?Œå¼•å?·ä¸­ï¼‰å?³å?¯ã€‚å¿…é¡»ä¸ºæ¯?ä¸ªä¼ é€’åˆ° printf çš„å?˜é‡?åŒ…å?«ä¸€ä¸ªè§„æ ¼å?‚æ•°ï¼›å¦‚æžœåŒ…å?«è¿‡å°‘çš„å?‚æ•°ï¼Œåˆ™<br />printf ä¸?ä¼šæ‰“å?°æ‰€æœ‰çš„æ•°å€¼ã€‚ </p>
<p>
<p align="left"><strong>å¤„ç?†é”™è¯¯ </strong></p>
<p>
<p align="left">AWK å·¥å…·æŠ¥å‘Šæ‰€å?‘ç”Ÿé”™è¯¯çš„æ–¹å¼?å¾ˆä»¤äººæ?¼ç?«ã€‚ä¸€ä¸ªé”™è¯¯ä¼šé˜»ç¢?ä»»ä½•æ“?ä½œçš„è¿›è¡Œï¼Œæ‰€æ??ä¾›çš„é”™è¯¯ä¿¡æ?¯é?žå¸¸å?«æ··ä¸?æ¸…ï¼š </p>
<p>
<p align="left">awk: syntax error near line 2 </p>
<p>
<p align="left">awk: bailing out near line 2 </p>
<p>
<p align="left">æ‚¨å?¯èƒ½ä¼šèŠ±å‡ å°?æ—¶çš„æ—¶é—´æŸ¥çœ‹ç¬¬ 2 è¡Œï¼Œè¯•å›¾æ‰¾å‡ºå®ƒä¸ºä»€ä¹ˆé˜»ç¢?ç¨‹åº?è¿?è¡Œï¼›è¿™å°±æ˜¯æ”¯æŒ?ä½¿ç”¨æº?æ–‡ä»¶çš„ä¸€ä¸ªæœ‰åŠ›è®ºæ?®ã€‚ </p>
<p>
<p>åˆ‡è®°æœ‰ä¸¤æ?¡è§„åˆ™å?¯ä»¥å¸®åŠ©æ‚¨é?¿å…?å‡ºçŽ°è¯­æ³•é”™è¯¯ï¼š </p>
<p>
<p>1. ç¡®ä¿?å‘½ä»¤ä½?äºŽæ‹¬å?·ä¸­ï¼Œè€Œæ‹¬å?·ä½?äºŽå?•å¼•å?·ä¸­ã€‚æ²¡æœ‰ä½¿ç”¨è¿™äº›å­—ç¬¦ä¹‹ä¸€å¿…ç„¶å¯¼è‡´ç¨‹åº?æ— æ³•è¿?è¡Œã€‚ </p>
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<p>2. æ?œç´¢å‘½ä»¤éœ€è¦?ä½?äºŽæ–œçº¿ä¹‹é—´ã€‚è¦?æ‰¾å‡ºä½?åœ¨å?°ç¬¬å®‰é‚£å·žçš„å‘˜å·¥ï¼Œæ‚¨å¿…é¡»ä½¿ç”¨ â€œ /IN/ â€? è€Œä¸?æ˜¯ â€œ IN â€? ã€‚ </p>
<p>
<p><strong>______________________________________________ä¿?ç•™___________________________________________________</strong></p>
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<p><strong></strong></p>
<p>Sort ç»?å¸¸ä¸Ž uniq å‘½ä»¤ä¸€èµ·ä½¿ç”¨ï¼Œä»Žå·²æŽ’åº?çš„æ–‡ä»¶ä¸­åˆ é™¤å®Œå…¨ç›¸å?Œçš„è¡Œã€‚uniq å‘½ä»¤åœ¨ç®¡é?“ä¸­ç»?å¸¸è·Ÿåœ¨ sort å‘½ä»¤çš„å?Žé?¢ï¼Œè¿˜å?¯ä»¥ä½¿ç”¨ -c é€‰é¡¹æ?¥è®¡ç®—æŸ?ä¸€è¡Œæ‰€å‡ºçŽ°çš„æ¬¡æ•°ï¼Œæˆ–è€…ä½¿ç”¨ -d é€‰é¡¹ï¼Œå?ªæŠ¥å‘Šå®Œå…¨ç›¸å?Œçš„è¡Œï¼š 
<p>$ sort -m test.out test2_sort.out | uniq -c<br />1 Another test.<br />1 Testing testing<br />2 This is a test. </p>
<p>
<p>ã€€ã€€åœ¨è¿™é‡Œæˆ‘ä»¬å?ˆå¹¶ä¸¤ä¸ªæ–‡ä»¶ test.out å’Œ test2_sort.outã€‚ç„¶å?Žæˆ‘ä»¬ä½¿ç”¨ -c é€‰é¡¹ï¼Œå°†è¾“å‡ºä¼ é€?åˆ° uniqï¼Œè¿™æ ·æœ€å?Žçš„ç»“æžœæ˜¯æŒ‰å­—æ¯?é¡ºåº?æŽ’åˆ—çš„åˆ—è¡¨ï¼Œå®Œå…¨ç›¸å?Œçš„è¡Œè¢«åˆ é™¤ï¼Œå¹¶å¸¦æœ‰ä¸€ä¸ªå…³äºŽæ¯?è¡Œå‡ºçŽ°é¢‘çŽ‡çš„æŠ¥å‘Šã€‚</p>
<p>
<p></p>
<p>awk &#8216;{print $1}&#8217; bigbrother_access_log.20050713 |sort |uniq -c |sort -rn |more</p>
<p>
<p>åˆ—å‡ºbigbrother_access_log.20050713 è¿™ä¸ªæ–‡ä»¶ä¸­ç¬¬ä¸€ä¸ªå­—æ®µæŸ?ä¸€è¡Œæ‰€å‡ºçŽ°çš„æ¬¡æ•° æˆ–è€…ä½¿ç”¨ -d é€‰é¡¹ï¼Œå?ªæŠ¥å‘Šå®Œå…¨ç›¸å?Œçš„è¡Œï¼š </p>
<p>Technorati Tags: <a href="http://technorati.com/tag/AWKShellScripts" rel="tag">AWKShellScripts</a></p>
<p>Technorati Tags: <a href="http://technorati.com/tag/AWKShellScripts" rel="tag">AWKShellScripts</a></p>
<br /><img alt="" border="0" src="http://feeds.wordpress.com/1.0/categories/flymeteor.wordpress.com/36/" /> <img alt="" border="0" src="http://feeds.wordpress.com/1.0/tags/flymeteor.wordpress.com/36/" /> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gocomments/flymeteor.wordpress.com/36/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/comments/flymeteor.wordpress.com/36/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godelicious/flymeteor.wordpress.com/36/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/delicious/flymeteor.wordpress.com/36/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gofacebook/flymeteor.wordpress.com/36/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/facebook/flymeteor.wordpress.com/36/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gotwitter/flymeteor.wordpress.com/36/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/twitter/flymeteor.wordpress.com/36/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/gostumble/flymeteor.wordpress.com/36/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/stumble/flymeteor.wordpress.com/36/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/godigg/flymeteor.wordpress.com/36/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/digg/flymeteor.wordpress.com/36/" /></a> <a rel="nofollow" href="http://feeds.wordpress.com/1.0/goreddit/flymeteor.wordpress.com/36/"><img alt="" border="0" src="http://feeds.wordpress.com/1.0/reddit/flymeteor.wordpress.com/36/" /></a> <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=flymeteor.wordpress.com&amp;blog=8391&amp;post=36&amp;subd=flymeteor&amp;ref=&amp;feed=1" width="1" height="1" />]]></content:encoded>
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		<link>http://flymeteor.wordpress.com/2005/12/24/debian-%e4%b8%8b-pure-ftpd-%e5%bf%ab%e9%80%9f%e5%ae%89%e8%a3%85%e5%92%8c%e9%85%8d%e7%bd%ae%e8%99%9a%e6%8b%9f%e7%94%a8%e6%88%b7/</link>
		<comments>http://flymeteor.wordpress.com/2005/12/24/debian-%e4%b8%8b-pure-ftpd-%e5%bf%ab%e9%80%9f%e5%ae%89%e8%a3%85%e5%92%8c%e9%85%8d%e7%bd%ae%e8%99%9a%e6%8b%9f%e7%94%a8%e6%88%b7/#comments</comments>
		<pubDate>Sat, 24 Dec 2005 13:40:52 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[éš?æƒ³æ?‚è°ˆ]]></category>

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		<description><![CDATA[å®‰è£…å¾ˆç®€å?•ï¼Œæ‰§è¡Œï¼š apt-get install pure-ftpd å¦‚æžœè¦?ç›´æŽ¥ä½¿ç”¨ apache çš„ www-data ç»„å’Œç”¨æˆ·ç”¨äºŽ ftpï¼Œé‚£ä¹ˆæ‰§è¡Œä¸‹é?¢çš„å‘½ä»¤å?³å?¯ï¼š # pure-pw useradd www -u www-data -g www-data -d /var/www# pure-pw mkdb# pure-pw show www ï¼ˆæ‰§è¡Œ pure-pw show www å?Žå?¯ä»¥çœ‹åˆ°å¦‚ä¸‹ä¿¡æ?¯ï¼‰ Login : www Password : $1$H2qnyLe0$o9.MRNhmJFa8bNUxOeGyF0 UID : 33 (www-data) GID : 33 (www-data) Directory : /var/www/./ &#8230;.. å…¶ä¸­çš„ UID å’Œ GID é?žå¸¸é‡?è¦?ã€‚ # cd [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=flymeteor.wordpress.com&amp;blog=8391&amp;post=35&amp;subd=flymeteor&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>å®‰è£…å¾ˆç®€å?•ï¼Œæ‰§è¡Œï¼š</p>
<p>apt-get install pure-ftpd</p>
<p>å¦‚æžœè¦?ç›´æŽ¥ä½¿ç”¨ apache çš„ www-data ç»„å’Œç”¨æˆ·ç”¨äºŽ ftpï¼Œé‚£ä¹ˆæ‰§è¡Œä¸‹é?¢çš„å‘½ä»¤å?³å?¯ï¼š</p>
<p># pure-pw useradd www -u www-data -g www-data -d /var/www<br /># pure-pw mkdb<br /># pure-pw show www</p>
<p> ï¼ˆæ‰§è¡Œ pure-pw show www å?Žå?¯ä»¥çœ‹åˆ°å¦‚ä¸‹ä¿¡æ?¯ï¼‰<br /> Login : www<br /> Password : $1$H2qnyLe0$o9.MRNhmJFa8bNUxOeGyF0<br /> UID : 33 (www-data)<br /> GID : 33 (www-data)<br /> Directory : /var/www/./<br /> &#8230;..<br /> å…¶ä¸­çš„ UID å’Œ GID é?žå¸¸é‡?è¦?ã€‚</p>
<p># cd /etc/pure-ftpd/conf<br /># echo 33 &gt; MinUID<br /> ï¼ˆé»˜è®¤çš„ MinUID æ˜¯ 10000ï¼Œå½“ pure-ftpd å?‘çŽ° ftp ä½¿ç”¨çš„<br /> ç³»ç»Ÿå¸?æˆ· uid ä½ŽäºŽè¯¥å€¼å°±ä¼šæ‹’ç»?ç™»å½•ï¼Œæ‰€ä»¥æ­¤å¤„å¿…é¡»ä¿®æ”¹ MinUIDã€‚ï¼‰</p>
<p># cd ../auth<br /># ln -s ../conf/PureDB 00puredb<br /># /etc/init.d/pure-ftpd.sh restart</p>
<p>ftp å°±å»ºç«‹æˆ?åŠŸäº†ã€‚å¦‚æžœè¦?æ·»åŠ æ›´å¤šç”¨æˆ·ï¼Œä½¿ç”¨ pure-pw useradd å’Œ pure-pw mkdb å?³å?¯ã€‚</p>
<p>å¦‚æžœè¦?è®©è™šæ‹Ÿç”¨æˆ·ä½¿ç”¨å…¶å®ƒç³»ç»Ÿå¸?æˆ·ï¼Œå?ªéœ€è¦?ç”¨ adduser æ·»åŠ ä¸?å?¯ç™»å½•çš„ç³»ç»Ÿå¸?æˆ·å?³å?¯ã€‚</p>
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		<link>http://flymeteor.wordpress.com/2005/12/22/%e8%b6%85%e7%ba%a7%e8%af%a6%e7%bb%86tcpdump-%e7%9a%84%e7%94%a8%e6%b3%95%ef%bc%8d%ef%bc%8dby-jeffyan/</link>
		<comments>http://flymeteor.wordpress.com/2005/12/22/%e8%b6%85%e7%ba%a7%e8%af%a6%e7%bb%86tcpdump-%e7%9a%84%e7%94%a8%e6%b3%95%ef%bc%8d%ef%bc%8dby-jeffyan/#comments</comments>
		<pubDate>Thu, 22 Dec 2005 11:57:41 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[éš?æƒ³æ?‚è°ˆ]]></category>

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		<description><![CDATA[ç¬¬ä¸€ç§?æ˜¯å…³äºŽç±»åž‹çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬hostï¼Œnetï¼Œport, ä¾‹å¦‚ host 210.27.48.2ï¼ŒæŒ‡æ˜Ž 210.27.48.2æ˜¯ä¸€å?°ä¸»æœºï¼Œnet 202.0.0.0 æŒ‡æ˜Ž 202.0.0.0æ˜¯ä¸€ä¸ªç½‘ç»œåœ°å?€ï¼Œport 23 æŒ‡æ˜Žç«¯å?£å?·æ˜¯23ã€‚å¦‚æžœæ²¡æœ‰æŒ‡å®šç±»åž‹ï¼Œç¼ºçœ?çš„ç±»åž‹æ˜¯host. ç¬¬äºŒç§?æ˜¯ç¡®å®šä¼ è¾“æ–¹å?‘çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬src , dst ,dst or src, dst and src ,è¿™äº›å…³é”®å­—æŒ‡æ˜Žäº†ä¼ è¾“çš„æ–¹å?‘ã€‚ä¸¾ä¾‹è¯´æ˜Žï¼Œsrc 210.27.48.2 ,æŒ‡æ˜ŽipåŒ…ä¸­æº?åœ°å?€æ˜¯210.27.48.2 , dst net 202.0.0.0 æŒ‡æ˜Žç›®çš„ç½‘ç»œåœ°å?€æ˜¯202.0.0.0 ã€‚å¦‚æžœæ²¡æœ‰æŒ‡æ˜Žæ–¹å?‘å…³é”®å­—ï¼Œåˆ™ç¼ºçœ?æ˜¯src or dstå…³é”®å­—ã€‚ ç¬¬ä¸‰ç§?æ˜¯å??è®®çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬fddi,ip,arp,rarp,tcp,udpç­‰ç±»åž‹ã€‚FddiæŒ‡æ˜Žæ˜¯åœ¨FDDI(åˆ†å¸ƒå¼?å…‰çº¤æ•°æ?®æŽ¥å?£ç½‘ç»œ)ä¸Šçš„ç‰¹å®šçš„ç½‘ç»œå??è®®ï¼Œå®žé™…ä¸Šå®ƒæ˜¯&#8221;ether&#8221;çš„åˆ«å??ï¼Œfddiå’Œetherå…·æœ‰ç±»ä¼¼çš„æº?åœ°å?€å’Œç›®çš„åœ°å?€ï¼Œæ‰€ä»¥å?¯ä»¥å°†fddiå??è®®åŒ…å½“ä½œetherçš„åŒ…è¿›è¡Œå¤„ç?†å’Œåˆ†æž?ã€‚å…¶ä»–çš„å‡ ä¸ªå…³é”®å­—å°±æ˜¯æŒ‡æ˜Žäº†ç›‘å?¬çš„åŒ…çš„å??è®®å†…å®¹ã€‚å¦‚æžœæ²¡æœ‰æŒ‡å®šä»»ä½•å??è®®ï¼Œåˆ™tcpdumpå°†ä¼šç›‘å?¬æ‰€æœ‰å??è®®çš„ä¿¡æ?¯åŒ…ã€‚ é™¤äº†è¿™ä¸‰ç§?ç±»åž‹çš„å…³é”®å­—ä¹‹å¤–ï¼Œå…¶ä»–é‡?è¦?çš„å…³é”®å­—å¦‚ä¸‹ï¼šgateway, broadcast,less,greater,è¿˜æœ‰ä¸‰ç§?é€»è¾‘è¿?ç®—ï¼Œå?–é?žè¿?ç®—æ˜¯ &#8216;not &#8216; &#8216;! &#8216;, ä¸Žè¿?ç®—æ˜¯&#8217;and&#8217;,'&#38;&#38;&#8217;;æˆ–è¿?ç®— æ˜¯&#8217;or&#8217; ,&#8217;â”‚â”‚&#8217;ï¼›è¿™äº›å…³é”®å­—å?¯ä»¥ç»„å?ˆèµ·æ?¥æž„æˆ?å¼ºå¤§çš„ç»„å?ˆæ?¡ä»¶æ?¥æ»¡è¶³äººä»¬çš„éœ€è¦?ï¼Œä¸‹é?¢ä¸¾å‡ ä¸ªä¾‹å­?æ?¥è¯´æ˜Žã€‚ æ™®é€šæƒ…å†µä¸‹ï¼Œç›´æŽ¥å?¯åŠ¨tcpdumpå°†ç›‘è§†ç¬¬ä¸€ä¸ªç½‘ç»œç•Œé?¢ä¸Šæ‰€æœ‰æµ?è¿‡çš„æ•°æ?®åŒ…ã€‚ # tcpdump tcpdump: listening on fxp0 11:58:47.873028 202.102.245.40.netbios-ns &#62; 202.102.245.127.netbios-ns: udp 50 11:58:47.974331 0:10:7b:8:3a:56 [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=flymeteor.wordpress.com&amp;blog=8391&amp;post=34&amp;subd=flymeteor&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>ç¬¬ä¸€ç§?æ˜¯å…³äºŽç±»åž‹çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬hostï¼Œnetï¼Œport, ä¾‹å¦‚ host 210.27.48.2ï¼ŒæŒ‡æ˜Ž 210.27.48.2æ˜¯ä¸€å?°ä¸»æœºï¼Œnet 202.0.0.0 æŒ‡æ˜Ž 202.0.0.0æ˜¯ä¸€ä¸ªç½‘ç»œåœ°å?€ï¼Œport 23 æŒ‡æ˜Žç«¯å?£å?·æ˜¯23ã€‚å¦‚æžœæ²¡æœ‰æŒ‡å®šç±»åž‹ï¼Œç¼ºçœ?çš„ç±»åž‹æ˜¯host.</p>
<p>ç¬¬äºŒç§?æ˜¯ç¡®å®šä¼ è¾“æ–¹å?‘çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬src , dst ,dst or src, dst and src ,è¿™äº›å…³é”®å­—æŒ‡æ˜Žäº†ä¼ è¾“çš„æ–¹å?‘ã€‚ä¸¾ä¾‹è¯´æ˜Žï¼Œsrc 210.27.48.2 ,æŒ‡æ˜ŽipåŒ…ä¸­æº?åœ°å?€æ˜¯210.27.48.2 , dst net 202.0.0.0 æŒ‡æ˜Žç›®çš„ç½‘ç»œåœ°å?€æ˜¯202.0.0.0 ã€‚å¦‚æžœæ²¡æœ‰æŒ‡æ˜Žæ–¹å?‘å…³é”®å­—ï¼Œåˆ™ç¼ºçœ?æ˜¯src or dstå…³é”®å­—ã€‚</p>
<p>ç¬¬ä¸‰ç§?æ˜¯å??è®®çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬fddi,ip,arp,rarp,tcp,udpç­‰ç±»åž‹ã€‚FddiæŒ‡æ˜Žæ˜¯åœ¨FDDI(åˆ†å¸ƒå¼?å…‰çº¤æ•°æ?®æŽ¥å?£ç½‘ç»œ)ä¸Šçš„ç‰¹å®šçš„ç½‘ç»œå??è®®ï¼Œå®žé™…ä¸Šå®ƒæ˜¯&#8221;ether&#8221;çš„åˆ«å??ï¼Œfddiå’Œetherå…·æœ‰ç±»ä¼¼çš„æº?åœ°å?€å’Œç›®çš„åœ°å?€ï¼Œæ‰€ä»¥å?¯ä»¥å°†fddiå??è®®åŒ…å½“ä½œetherçš„åŒ…è¿›è¡Œå¤„ç?†å’Œåˆ†æž?ã€‚å…¶ä»–çš„å‡ ä¸ªå…³é”®å­—å°±æ˜¯æŒ‡æ˜Žäº†ç›‘å?¬çš„åŒ…çš„å??è®®å†…å®¹ã€‚å¦‚æžœæ²¡æœ‰æŒ‡å®šä»»ä½•å??è®®ï¼Œåˆ™tcpdumpå°†ä¼šç›‘å?¬æ‰€æœ‰å??è®®çš„ä¿¡æ?¯åŒ…ã€‚<br />
    é™¤äº†è¿™ä¸‰ç§?ç±»åž‹çš„å…³é”®å­—ä¹‹å¤–ï¼Œå…¶ä»–é‡?è¦?çš„å…³é”®å­—å¦‚ä¸‹ï¼šgateway, broadcast,less,greater,è¿˜æœ‰ä¸‰ç§?é€»è¾‘è¿?ç®—ï¼Œå?–é?žè¿?ç®—æ˜¯ &#8216;not &#8216; &#8216;! &#8216;, ä¸Žè¿?ç®—æ˜¯&#8217;and&#8217;,'&amp;&amp;&#8217;;æˆ–è¿?ç®— æ˜¯&#8217;or&#8217; ,&#8217;â”‚â”‚&#8217;ï¼›è¿™äº›å…³é”®å­—å?¯ä»¥ç»„å?ˆèµ·æ?¥æž„æˆ?å¼ºå¤§çš„ç»„å?ˆæ?¡ä»¶æ?¥æ»¡è¶³äººä»¬çš„éœ€è¦?ï¼Œä¸‹é?¢ä¸¾å‡ ä¸ªä¾‹å­?æ?¥è¯´æ˜Žã€‚<span id="more-34"></span><br />
    æ™®é€šæƒ…å†µä¸‹ï¼Œç›´æŽ¥å?¯åŠ¨tcpdumpå°†ç›‘è§†ç¬¬ä¸€ä¸ªç½‘ç»œç•Œé?¢ä¸Šæ‰€æœ‰æµ?è¿‡çš„æ•°æ?®åŒ…ã€‚<br />
# tcpdump<br />
tcpdump: listening on fxp0<br />
11:58:47.873028 202.102.245.40.netbios-ns &gt; 202.102.245.127.netbios-ns: udp 50<br />
11:58:47.974331 0:10:7b:8:3a:56 &gt; 1:80:c2:0:0:0 802.1d ui/C len=43<br />
                         0000 0000 0080 0000 1007 cf08 0900 0000<br />
                         0e80 0000 902b 4695 0980 8701 0014 0002<br />
                         000f 0000 902b 4695 0008 00<br />
11:58:48.373134 0:0:e8:5b:6d:85 &gt; Broadcast sap e0 ui/C len=97<br />
                         ffff 0060 0004 ffff ffff ffff ffff ffff<br />
                         0452 ffff ffff 0000 e85b 6d85 4008 0002<br />
                         0640 4d41 5354 4552 5f57 4542 0000 0000<br />
                         0000 00<br />
ä½¿ç”¨-iå?‚æ•°æŒ‡å®štcpdumpç›‘å?¬çš„ç½‘ç»œç•Œé?¢ï¼Œè¿™åœ¨è®¡ç®—æœºå…·æœ‰å¤šä¸ªç½‘ç»œç•Œé?¢æ—¶é?žå¸¸æœ‰ç”¨ï¼Œ<br />
ä½¿ç”¨-cå?‚æ•°æŒ‡å®šè¦?ç›‘å?¬çš„æ•°æ?®åŒ…æ•°é‡?ï¼Œ<br />
ä½¿ç”¨-wå?‚æ•°æŒ‡å®šå°†ç›‘å?¬åˆ°çš„æ•°æ?®åŒ…å†™å…¥æ–‡ä»¶ä¸­ä¿?å­˜</p>
<p>   Aæƒ³è¦?æˆªèŽ·æ‰€æœ‰210.27.48.1 çš„ä¸»æœºæ”¶åˆ°çš„å’Œå?‘å‡ºçš„æ‰€æœ‰çš„æ•°æ?®åŒ…ï¼š<br />
#tcpdump host 210.27.48.1</p>
<p>Bæƒ³è¦?æˆªèŽ·ä¸»æœº210.27.48.1 å’Œä¸»æœº210.27.48.2 æˆ–210.27.48.3çš„é€šä¿¡ï¼Œä½¿ç”¨å‘½ä»¤ï¼šï¼ˆåœ¨å‘½ä»¤è¡Œä¸­é€‚ç”¨ã€€ã€€ã€€æ‹¬å?·æ—¶ï¼Œä¸€å®šè¦?<br />
#tcpdump host 210.27.48.1 and \ (210.27.48.2 or 210.27.48.3 \)</p>
<p>Cå¦‚æžœæƒ³è¦?èŽ·å?–ä¸»æœº210.27.48.1é™¤äº†å’Œä¸»æœº210.27.48.2ä¹‹å¤–æ‰€æœ‰ä¸»æœºé€šä¿¡çš„ipåŒ…ï¼Œä½¿ç”¨å‘½ä»¤ï¼š<br />
#tcpdump ip host 210.27.48.1 and ! 210.27.48.2</p>
<p>Då¦‚æžœæƒ³è¦?èŽ·å?–ä¸»æœº210.27.48.1æŽ¥æ”¶æˆ–å?‘å‡ºçš„telnetåŒ…ï¼Œä½¿ç”¨å¦‚ä¸‹å‘½ä»¤ï¼š<br />
#tcpdump tcp port 23 host 210.27.48.1</p>
<p>E å¯¹æœ¬æœºçš„udp 123 ç«¯å?£è¿›è¡Œç›‘è§† 123 ä¸ºntpçš„æœ?åŠ¡ç«¯å?£<br />
# tcpdump udp port 123</p>
<p>F ç³»ç»Ÿå°†å?ªå¯¹å??ä¸ºhostnameçš„ä¸»æœºçš„é€šä¿¡æ•°æ?®åŒ…è¿›è¡Œç›‘è§†ã€‚ä¸»æœºå??å?¯ä»¥æ˜¯æœ¬åœ°ä¸»æœºï¼Œä¹Ÿå?¯ä»¥æ˜¯ç½‘ç»œä¸Šçš„ä»»ä½•ä¸€å?°è®¡ç®—æœºã€‚ä¸‹é?¢çš„å‘½ä»¤å?¯ä»¥è¯»å?–ä¸»æœºhostnameå?‘é€?çš„æ‰€æœ‰æ•°æ?®ï¼š<br />
#tcpdump -i eth0 src host hostname</p>
<p>G ä¸‹é?¢çš„å‘½ä»¤å?¯ä»¥ç›‘è§†æ‰€æœ‰é€?åˆ°ä¸»æœºhostnameçš„æ•°æ?®åŒ…ï¼š<br />
#tcpdump -i eth0 dst host hostname</p>
<p>H  æˆ‘ä»¬è¿˜å?¯ä»¥ç›‘è§†é€šè¿‡æŒ‡å®šç½‘å…³çš„æ•°æ?®åŒ…ï¼š<br />
#tcpdump -i eth0 gateway Gatewayname</p>
<p>I å¦‚æžœä½ è¿˜æƒ³ç›‘è§†ç¼–å?€åˆ°æŒ‡å®šç«¯å?£çš„TCPæˆ–UDPæ•°æ?®åŒ…ï¼Œé‚£ä¹ˆæ‰§è¡Œä»¥ä¸‹å‘½ä»¤ï¼š<br />
#tcpdump -i eth0 host hostname and port 80</p>
<p>J å¦‚æžœæƒ³è¦?èŽ·å?–ä¸»æœº210.27.48.1é™¤äº†å’Œä¸»æœº210.27.48.2ä¹‹å¤–æ‰€æœ‰ä¸»æœºé€šä¿¡çš„ipåŒ…<br />
ï¼Œä½¿ç”¨å‘½ä»¤ï¼š<br />
#tcpdump ip host 210.27.48.1 and ! 210.27.48.2</p>
<p>K æƒ³è¦?æˆªèŽ·ä¸»æœº210.27.48.1 å’Œä¸»æœº210.27.48.2 æˆ–210.27.48.3çš„é€šä¿¡ï¼Œä½¿ç”¨å‘½ä»¤<br />
ï¼šï¼ˆåœ¨å‘½ä»¤è¡Œä¸­é€‚ç”¨ã€€ã€€ã€€æ‹¬å?·æ—¶ï¼Œä¸€å®šè¦?<br />
#tcpdump host 210.27.48.1 and \ (210.27.48.2 or 210.27.48.3 \)</p>
<p>L å¦‚æžœæƒ³è¦?èŽ·å?–ä¸»æœº210.27.48.1é™¤äº†å’Œä¸»æœº210.27.48.2ä¹‹å¤–æ‰€æœ‰ä¸»æœºé€šä¿¡çš„ipåŒ…ï¼Œä½¿ç”¨å‘½ä»¤ï¼š<br />
ã€€ã€€ã€€#tcpdump ip host 210.27.48.1 and ! 210.27.48.2</p>
<p>M å¦‚æžœæƒ³è¦?èŽ·å?–ä¸»æœº210.27.48.1æŽ¥æ”¶æˆ–å?‘å‡ºçš„telnetåŒ…ï¼Œä½¿ç”¨å¦‚ä¸‹å‘½ä»¤ï¼š<br />
ã€€ã€€ã€€#tcpdump tcp port 23 host 210.27.48.1</p>
<p>ç¬¬ä¸‰ç§?æ˜¯å??è®®çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬fddi,ip ,arp,rarp,tcp,udpç­‰ç±»åž‹<br />
é™¤äº†è¿™ä¸‰ç§?ç±»åž‹çš„å…³é”®å­—ä¹‹å¤–ï¼Œå…¶ä»–é‡?è¦?çš„å…³é”®å­—å¦‚ä¸‹ï¼šgateway, broadcast,less,<br />
greater,è¿˜æœ‰ä¸‰ç§?é€»è¾‘è¿?ç®—ï¼Œå?–é?žè¿?ç®—æ˜¯ &#8216;not &#8216; &#8216;! &#8216;, ä¸Žè¿?ç®—æ˜¯&#8217;and&#8217;,'&amp;&amp;&#8217;;æˆ–è¿?ç®— æ˜¯&#8217;o<br />
r&#8217; ,&#8217;||&#8217;ï¼›<br />
ç¬¬äºŒç§?æ˜¯ç¡®å®šä¼ è¾“æ–¹å?‘çš„å…³é”®å­—ï¼Œä¸»è¦?åŒ…æ‹¬src , dst ,dst or src, dst and src ,<br />
å¦‚æžœæˆ‘ä»¬å?ªéœ€è¦?åˆ—å‡ºé€?åˆ°80ç«¯å?£çš„æ•°æ?®åŒ…ï¼Œç”¨dst portï¼›å¦‚æžœæˆ‘ä»¬å?ªå¸Œæœ›çœ‹åˆ°è¿”å›ž80ç«¯å?£çš„æ•°æ?®åŒ…ï¼Œç”¨src portã€‚<br />
#tcpdump â€“i eth0 host hostname and dst port 80  ç›®çš„ç«¯å?£æ˜¯80<br />
æˆ–è€…<br />
#tcpdump â€“i eth0 host hostname and src port 80  æº?ç«¯å?£æ˜¯80  ä¸€èˆ¬æ˜¯æ??ä¾›httpçš„æœ?åŠ¡çš„ä¸»æœº<br />
å¦‚æžœæ?¡ä»¶å¾ˆå¤šçš„è¯?  è¦?åœ¨æ?¡ä»¶ä¹‹å‰?åŠ and æˆ– or æˆ– not<br />
#tcpdump -i eth0 host ! 211.161.223.70 and ! 211.161.223.71 and dst port 80</p>
<p>å¦‚æžœåœ¨ethernet ä½¿ç”¨æ··æ?‚æ¨¡å¼? ç³»ç»Ÿçš„æ—¥å¿—å°†ä¼šè®°å½•</p>
<p>May  7 20:03:46 localhost kernel: eth0: Promiscuous mode enabled.<br />
May  7 20:03:46 localhost kernel: device eth0 entered promiscuous mode<br />
May  7 20:03:57 localhost kernel: device eth0 left promiscuous mode</p>
<p>tcpdumpå¯¹æˆªèŽ·çš„æ•°æ?®å¹¶æ²¡æœ‰è¿›è¡Œå½»åº•è§£ç ?ï¼Œæ•°æ?®åŒ…å†…çš„å¤§éƒ¨åˆ†å†…å®¹æ˜¯ä½¿ç”¨å??å…­è¿›åˆ¶çš„å½¢å¼?ç›´æŽ¥æ‰“å?°è¾“å‡ºçš„ã€‚æ˜¾ç„¶è¿™ä¸?åˆ©äºŽåˆ†æž?ç½‘ç»œæ•…éšœï¼Œé€šå¸¸çš„è§£å†³åŠžæ³•æ˜¯å…ˆä½¿ç”¨å¸¦-wå?‚æ•°çš„tcpdump æˆªèŽ·æ•°æ?®å¹¶ä¿?å­˜åˆ°æ–‡ä»¶ä¸­ï¼Œç„¶å?Žå†?ä½¿ç”¨å…¶ä»–ç¨‹åº?è¿›è¡Œè§£ç ?åˆ†æž?ã€‚å½“ç„¶ä¹Ÿåº”è¯¥å®šä¹‰è¿‡æ»¤è§„åˆ™ï¼Œä»¥é?¿å…?æ?•èŽ·çš„æ•°æ?®åŒ…å¡«æ»¡æ•´ä¸ªç¡¬ç›˜ã€‚</p>
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			<media:title type="html">flymeteor</media:title>
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		<title>awkä½¿ç”¨æ‰‹å†Œ</title>
		<link>http://flymeteor.wordpress.com/2005/12/22/awk%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c/</link>
		<comments>http://flymeteor.wordpress.com/2005/12/22/awk%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c/#comments</comments>
		<pubDate>Wed, 21 Dec 2005 16:47:35 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[Shell Scripts]]></category>

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		<description><![CDATA[ä»€ä¹ˆæ˜¯awk? ä½ å?¯èƒ½å¯¹UNIXæ¯”è¾ƒç†Ÿæ‚‰ï¼Œä½†ä½ å?¯èƒ½å¯¹awkå¾ˆé™Œç”Ÿï¼Œè¿™ä¸€ç‚¹ä¹Ÿä¸?å¥‡æ€ªï¼Œçš„ç¡®ï¼Œä¸Žå…¶ä¼˜ç§€çš„åŠŸèƒ½ç›¸æ¯”ï¼Œawkè¿˜è¿œæ²¡è¾¾åˆ°å®ƒåº”æœ‰çš„çŸ¥å??åº¦ã€‚awkæ˜¯ä»€ä¹ˆï¼Ÿä¸Žå…¶å®ƒå¤§å¤šæ•°UNIXå‘½ä»¤ä¸?å?Œçš„æ˜¯ï¼Œä»Žå??å­—ä¸Šçœ‹ï¼Œæˆ‘ä»¬ä¸?å?¯èƒ½çŸ¥é?“awkçš„åŠŸèƒ½ï¼šå®ƒæ—¢ä¸?æ˜¯å…·æœ‰ç‹¬ç«‹æ„?ä¹‰çš„è‹±æ–‡å?•è¯?ï¼Œä¹Ÿä¸?æ˜¯å‡ ä¸ªç›¸å…³å?•è¯?çš„ç¼©å†™ã€‚äº‹å®žä¸Šï¼Œawkæ˜¯ä¸‰ä¸ªäººå??çš„ç¼©å†™ï¼Œä»–ä»¬æ˜¯ï¼šAhoã€?(Peter)Weinbergå’Œ (Brain)Kernighanã€‚æ­£æ˜¯è¿™ä¸‰ä¸ªäººåˆ›é€ äº†awk&#8212;ä¸€ä¸ªä¼˜ç§€çš„æ ·å¼?æ‰«æ??ä¸Žå¤„ç?†å·¥å…·ã€‚ AWKçš„åŠŸèƒ½æ˜¯ä»€ä¹ˆï¼Ÿä¸Žsedå’Œ grepå¾ˆç›¸ä¼¼ï¼Œawkæ˜¯ä¸€ç§?æ ·å¼?æ‰«æ??ä¸Žå¤„ç?†å·¥å…·ã€‚ä½†å…¶åŠŸèƒ½å?´å¤§å¤§å¼ºäºŽsedå’Œgrepã€‚awkæ??ä¾›äº†æž?å…¶å¼ºå¤§çš„åŠŸèƒ½ï¼šå®ƒå‡ ä¹Žå?¯ä»¥å®Œæˆ?grepå’Œsedæ‰€èƒ½å®Œæˆ?çš„å…¨éƒ¨å·¥ä½œï¼Œå?Œæ—¶ï¼Œå®ƒè¿˜å?¯ä»¥å?¯ä»¥è¿›è¡Œæ ·å¼?è£…å…¥ã€?æµ?æŽ§åˆ¶ã€?æ•°å­¦è¿?ç®—ç¬¦ã€?è¿›ç¨‹æŽ§åˆ¶è¯­å?¥ç”šè‡³äºŽå†…ç½®çš„å?˜é‡?å’Œå‡½æ•°ã€‚å®ƒå…·å¤‡äº†ä¸€ä¸ªå®Œæ•´çš„è¯­è¨€æ‰€åº”å…·æœ‰çš„å‡ ä¹Žæ‰€æœ‰ç²¾ç¾Žç‰¹æ€§ã€‚å®žé™…ä¸Šï¼Œawkçš„ç¡®æ‹¥æœ‰è‡ªå·±çš„è¯­è¨€ï¼šawkç¨‹åº?è®¾è®¡è¯­è¨€ï¼Œawkçš„ä¸‰ä½?åˆ›å»ºè€…å·²å°†å®ƒæ­£å¼?å®šä¹‰ä¸ºï¼šæ ·å¼?æ‰«æ??å’Œå¤„ç?†è¯­è¨€ã€‚ ä¸ºä»€ä¹ˆä½¿ç”¨awk? 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<p>awkçš„æµ?ç¨‹æŽ§åˆ¶</p>
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<p>1ã€?BEGINå’ŒEND:</p>
<p>åœ¨awk ä¸­ä¸¤ä¸ªç‰¹åˆ«çš„è¡¨è¾¾å¼?ï¼ŒBEGINå’ŒENDï¼Œè¿™ä¸¤è€…éƒ½å?¯ç”¨äºŽpatternä¸­ï¼ˆå?‚è€ƒå‰?é?¢çš„awkè¯­æ³•ï¼‰ï¼Œæ??ä¾›BEGINå’ŒENDçš„ä½œç”¨æ˜¯ç»™ç¨‹åº?èµ‹äºˆåˆ?å§‹çŠ¶æ€?å’Œåœ¨ç¨‹åº?ç»“æ?Ÿä¹‹å?Žæ‰§è¡Œä¸€äº›æ‰«å°¾çš„å·¥ä½œã€‚ä»»ä½•åœ¨BEGINä¹‹å?Žåˆ—å‡ºçš„æ“?ä½œï¼ˆåœ¨{}å†…ï¼‰å°†åœ¨awkå¼€å§‹æ‰«æ??è¾“å…¥ä¹‹å‰?æ‰§è¡Œï¼Œè€ŒENDä¹‹å?Žåˆ—å‡ºçš„æ“?ä½œå°†åœ¨æ‰«æ??å®Œå…¨éƒ¨çš„è¾“å…¥ä¹‹å?Žæ‰§è¡Œã€‚å› æ­¤ï¼Œé€šå¸¸ä½¿ç”¨BEGINæ?¥æ˜¾ç¤ºå?˜é‡?å’Œé¢„ç½®ï¼ˆåˆ?å§‹åŒ–ï¼‰å?˜é‡?ï¼Œä½¿ç”¨ENDæ?¥è¾“å‡ºæœ€ç»ˆç»“æžœã€‚</p>
<p>ä¾‹ï¼šç´¯è®¡é”€å”®æ–‡ä»¶xsä¸­çš„é”€å”®é‡‘é¢?ï¼ˆå?‡è®¾é”€å”®é‡‘é¢?åœ¨è®°å½•çš„ç¬¬ä¸‰å­—æ®µï¼‰ï¼š</p>
<p>$awk<br />
&gt;&#8217;BEGIN { FS=&#8221;:&#8221;;print &#8220;ç»Ÿè®¡é”€å”®é‡‘é¢?&#8221;;total=0}<br />
&gt;{print $3;total=total+$3;}<br />
&gt;END {printf &#8220;é”€å”®é‡‘é¢?æ€»è®¡ï¼š%.2f&#8221;,total}&#8217; sx<br />
ï¼ˆæ³¨ï¼š&gt;æ˜¯shellæ??ä¾›çš„ç¬¬äºŒæ??ç¤ºç¬¦ï¼Œå¦‚è¦?åœ¨shellç¨‹åº?awkè¯­å?¥å’Œawkè¯­è¨€ä¸­æ?¢è¡Œï¼Œåˆ™éœ€åœ¨è¡Œå°¾åŠ å??æ–œæ? \ï¼‰</p>
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<p>2ã€?æµ?ç¨‹æŽ§åˆ¶è¯­å?¥<br />
awkæ??ä¾›äº†å®Œå¤‡çš„æµ?ç¨‹æŽ§åˆ¶è¯­å?¥ï¼Œå…¶ç”¨æ³•ä¸ŽCè¯­è¨€ç±»ä¼¼ã€‚ä¸‹é?¢æˆ‘ä»¬ä¸€ä¸€åŠ ä»¥è¯´æ˜Žï¼š</p>
<p>2.1ã€?if&#8230;elseè¯­å?¥:</p>
<p>æ ¼å¼?ï¼š<br />
if(è¡¨è¾¾å¼?)<br />
è¯­å?¥1<br />
else<br />
è¯­å?¥2</p>
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<p>if(è¡¨è¾¾å¼?1ï¼‰<br />
{if(è¡¨è¾¾å¼?2ï¼‰<br />
è¯­å?¥1<br />
else<br />
è¯­å?¥2<br />
}<br />
è¯­å?¥3<br />
else {if(è¡¨è¾¾å¼?3)<br />
è¯­å?¥4<br />
else<br />
è¯­å?¥5<br />
}<br />
è¯­å?¥6</p>
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<p>2.2ã€?whileè¯­å?¥</p>
<p>æ ¼å¼?ä¸º:</p>
<p>while(è¡¨è¾¾å¼?)<br />
è¯­å?¥</p>
<p>2.3ã€?do-whileè¯­å?¥</p>
<p>æ ¼å¼?ä¸º:</p>
<p>do<br />
{<br />
è¯­å?¥<br />
}while(æ?¡ä»¶åˆ¤æ–­è¯­å?¥ï¼‰</p>
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<p>æ ¼å¼?ä¸ºï¼š</p>
<p>for(åˆ?å§‹è¡¨è¾¾å¼?;ç»ˆæ­¢æ?¡ä»¶;æ­¥é•¿è¡¨è¾¾å¼?)<br />
{è¯­å?¥}</p>
<p>åœ¨awk çš„ whileã€?do-whileå’Œforè¯­å?¥ä¸­å…?è®¸ä½¿ç”¨break,continueè¯­å?¥æ?¥æŽ§åˆ¶æµ?ç¨‹èµ°å?‘ï¼Œä¹Ÿå…?è®¸ä½¿ç”¨exitè¿™æ ·çš„è¯­å?¥æ?¥é€€å‡ºã€‚break ä¸­æ–­å½“å‰?æ­£åœ¨æ‰§è¡Œçš„å¾ªçŽ¯å¹¶è·³åˆ°å¾ªçŽ¯å¤–æ‰§è¡Œä¸‹ä¸€æ?¡è¯­å?¥ã€‚continueä»Žå½“å‰?ä½?ç½®è·³åˆ°å¾ªçŽ¯å¼€å§‹å¤„æ‰§è¡Œã€‚å¯¹äºŽexitçš„æ‰§è¡Œæœ‰ä¸¤ç§?æƒ…å†µï¼šå½“exitè¯­å?¥ä¸?åœ¨ ENDä¸­æ—¶ï¼Œä»»ä½•æ“?ä½œä¸­çš„exitå‘½ä»¤è¡¨çŽ°å¾—å¦‚å?Œåˆ°äº†æ–‡ä»¶å°¾ï¼Œæ‰€æœ‰æ¨¡å¼?æˆ–æ“?ä½œæ‰§è¡Œå°†å?œæ­¢ï¼ŒENDæ¨¡å¼?ä¸­çš„æ“?ä½œè¢«æ‰§è¡Œã€‚è€Œå‡ºçŽ°åœ¨ENDä¸­çš„exitå°†å¯¼è‡´ç¨‹åº?ç»ˆæ­¢ã€‚</p>
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<p>awkä¸­çš„è‡ªå®šä¹‰å‡½æ•°</p>
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<p>å‡½æ•°çš„ä½¿ç”¨åŒ…å?«ä¸¤éƒ¨åˆ†ï¼šå‡½æ•°çš„å®šä¹‰ä¸Žå‡½æ•°è°ƒç”¨ã€‚å…¶ä¸­å‡½æ•°å®šä¹‰å?ˆåŒ…æ‹¬è¦?æ‰§è¡Œçš„ä»£ç ?ï¼ˆå‡½æ•°æœ¬èº«ï¼‰å’Œä»Žä¸»ç¨‹åº?ä»£ç ?ä¼ é€’åˆ°è¯¥å‡½æ•°çš„ä¸´æ—¶è°ƒç”¨ã€‚</p>
<p>awkå‡½æ•°çš„å®šä¹‰æ–¹æ³•å¦‚ä¸‹ï¼š</p>
<p>function å‡½æ•°å??(å?‚æ•°è¡¨){<br />
å‡½æ•°ä½“<br />
}</p>
<p>åœ¨gawkä¸­å…?è®¸å°†functionçœ?ç•¥ä¸ºfuncï¼Œä½†å…¶å®ƒç‰ˆæœ¬çš„awkä¸?å…?è®¸ã€‚å‡½æ•°å??å¿…é¡»æ˜¯ä¸€ä¸ªå?ˆæ³•çš„æ ‡å¿—ç¬¦ï¼Œå?‚æ•°è¡¨ä¸­å?¯ä»¥ä¸?æ??ä¾›å?‚æ•°ï¼ˆä½†åœ¨è°ƒç”¨å‡½æ•°æ—¶å‡½æ•°å??å?Žçš„ä¸€å¯¹æ‹¬å?·ä»?ç„¶æ˜¯ä¸?å?¯ç¼ºå°‘çš„ï¼‰ï¼Œä¹Ÿå?¯ä»¥æ??ä¾›ä¸€ä¸ªæˆ–å¤šä¸ªå?‚æ•°ã€‚ä¸ŽCè¯­è¨€ç›¸ä¼¼ï¼Œawkçš„å?‚æ•°ä¹Ÿæ˜¯é€šè¿‡å€¼æ?¥ä¼ é€’çš„ã€‚</p>
<p>åœ¨awk ä¸­è°ƒç”¨å‡½æ•°æ¯”è¾ƒç®€å?•ï¼Œå…¶æ–¹æ³•ä¸ŽCè¯­è¨€ç›¸ä¼¼ï¼Œä½†awkæ¯”Cè¯­è¨€æ›´ä¸ºç?µæ´»ï¼Œå®ƒä¸?æ‰§è¡Œå?‚æ•°æœ‰æ•ˆæ€§æ£€æŸ¥ã€‚æ?¢å?¥è¯?è¯´ï¼Œåœ¨ä½ è°ƒç”¨å‡½æ•°æ—¶ï¼Œå?¯ä»¥åˆ—å‡ºæ¯”å‡½æ•°é¢„è®¡ï¼ˆå‡½æ•°å®šä¹‰ä¸­è§„å®šï¼‰çš„å¤šæˆ–å°‘çš„å?‚æ•°ï¼Œå¤šä½™çš„å?‚æ•°ä¼šè¢«awkæ‰€å¿½ç•¥ï¼Œè€Œä¸?è¶³çš„å?‚æ•°ï¼Œawkå°†å®ƒä»¬ç½®ä¸ºç¼ºçœ?å€¼0æˆ–ç©ºå­—ç¬¦ä¸²ï¼Œå…·ä½“ç½®ä¸ºä½•å€¼ï¼Œå°†å?–å†³äºŽå?‚æ•°çš„ä½¿ç”¨æ–¹å¼?ã€‚</p>
<p>awkå‡½æ•°æœ‰ä¸¤ç§?è¿”å›žæ–¹å¼?ï¼šéš?å¼?è¿”å›žå’Œæ˜¾å¼?è¿”å›žã€‚å½“awkæ‰§è¡Œåˆ°å‡½æ•°çš„ç»“å°¾æ—¶ï¼Œå®ƒè‡ªåŠ¨åœ°è¿”å›žåˆ°è°ƒç”¨ç¨‹åº?ï¼Œè¿™æ˜¯å‡½æ•°æ˜¯éš?å¼?è¿”å›žçš„ã€‚å¦‚æžœéœ€è¦?åœ¨ç»“æ?Ÿä¹‹å‰?é€€å‡ºå‡½æ•°ï¼Œå?¯ä»¥æ˜Žç¡®åœ°ä½¿ç”¨è¿”å›žè¯­å?¥æ??å‰?é€€å‡ºã€‚æ–¹æ³•æ˜¯åœ¨å‡½æ•°ä¸­ä½¿ç”¨å½¢å¦‚ï¼šreturn è¿”å›žå€¼ æ ¼å¼?çš„è¯­å?¥ã€‚</p>
<p>ä¾‹ï¼šä¸‹é?¢çš„ä¾‹å­?æ¼”ç¤ºäº†å‡½æ•°çš„ä½¿ç”¨ã€‚åœ¨è¿™ä¸ªç¤ºä¾‹ä¸­ï¼Œå®šä¹‰äº†ä¸€ä¸ªå??ä¸ºprint_headerçš„å‡½æ•°ï¼Œè¯¥å‡½æ•°è°ƒç”¨äº†ä¸¤ä¸ªå?‚æ•°FileNameå’ŒPageNumï¼Œ FileNameå?‚æ•°ä¼ ç»™å‡½æ•°å½“å‰?ä½¿ç”¨çš„æ–‡ä»¶å??ï¼ŒPageNumå?‚æ•°æ˜¯å½“å‰?é¡µçš„é¡µå?·ã€‚è¿™ä¸ªå‡½æ•°çš„åŠŸèƒ½æ˜¯æ‰“å?°ï¼ˆæ˜¾ç¤ºï¼‰å‡ºå½“å‰?æ–‡ä»¶çš„æ–‡ä»¶å??ï¼Œå’Œå½“å‰?é¡µçš„é¡µå?·ã€‚å®Œæˆ?è¿™ä¸ªåŠŸèƒ½å?Žï¼Œè¿™ä¸ªå‡½æ•°å°†è¿”å›žä¸‹ä¸€é¡µçš„é¡µå?·ã€‚</p>
<p>nawk<br />
&gt;&#8217;BEGIN{pageno=1;file=FILENAME<br />
&gt;pageno=print_header(fileï¼Œpageno)ï¼›#è°ƒç”¨å‡½æ•°print_header<br />
&gt;printf(&#8220;å½“å‰?é¡µé¡µå?·æ˜¯ï¼š%d\n&#8221;,pageno);<br />
&gt;}</p>
<p>&gt;#å®šä¹‰å‡½æ•°print_header<br />
&gt;function print_header(FileName,PageNum){<br />
&gt;printf(&#8220;%s %d\n&#8221;,FileName,PageNum); &gt;PageNum++;return PageNUm;<br />
&gt;}<br />
&gt;}&#8217; myfile</p>
<p>æ‰§è¡Œè¿™ä¸ªç¨‹åº?å°†æ˜¾ç¤ºå¦‚ä¸‹å†…å®¹ï¼š</p>
<p>myfile 1<br />
å½“å‰?é¡µé¡µå?·æ˜¯ï¼š2</p>
<p>awké«˜çº§è¾“å…¥è¾“å‡º</p>
<p>1.è¯»å?–ä¸‹ä¸€æ?¡è®°å½•ï¼š</p>
<p>awkçš„nextè¯­å?¥å¯¼è‡´awkè¯»å?–ä¸‹ä¸€ä¸ªè®°å½•å¹¶å®Œæˆ?æ¨¡å¼?åŒ¹é…?ï¼Œç„¶å?Žç«‹å?³æ‰§è¡Œç›¸åº”çš„æ“?ä½œã€‚é€šå¸¸å®ƒç”¨åŒ¹é…?çš„æ¨¡å¼?æ‰§è¡Œæ“?ä½œä¸­çš„ä»£ç ?ã€‚nextå¯¼è‡´è¿™ä¸ªè®°å½•çš„ä»»ä½•é¢?å¤–åŒ¹é…?æ¨¡å¼?è¢«å¿½ç•¥ã€‚</p>
<p>2.ç®€å?•åœ°è¯»å?–ä¸€æ?¡è®°å½•</p>
<p>awk çš„ getlineè¯­å?¥ç”¨äºŽç®€å?•åœ°è¯»å?–ä¸€æ?¡è®°å½•ã€‚å¦‚æžœç”¨æˆ·æœ‰ä¸€ä¸ªæ•°æ?®è®°å½•ç±»ä¼¼ä¸¤ä¸ªç‰©ç?†è®°å½•ï¼Œé‚£ä¹ˆgetlineå°†å°¤å…¶æœ‰ç”¨ã€‚å®ƒå®Œæˆ?ä¸€èˆ¬å­—æ®µçš„åˆ†ç¦»(è®¾ç½®å­—æ®µå?˜é‡?$0 FNR NF NR)ã€‚å¦‚æžœæˆ?åŠŸåˆ™è¿”å›ž1ï¼Œå¤±è´¥åˆ™è¿”å›ž0ï¼ˆåˆ°è¾¾æ–‡ä»¶å°¾ï¼‰ã€‚å¦‚æžœéœ€ç®€å?•åœ°è¯»å?–ä¸€ä¸ªæ–‡ä»¶ï¼Œåˆ™å?¯ä»¥ç¼–å†™ä»¥ä¸‹ä»£ç ?ï¼š</p>
<p>ä¾‹ï¼šç¤ºä¾‹getlineçš„ä½¿ç”¨</p>
<p>{while(getline==1)<br />
{<br />
#process the inputted fields<br />
}<br />
}</p>
<p>ä¹Ÿå?¯ä»¥ä½¿getlineä¿?å­˜è¾“å…¥æ•°æ?®åœ¨ä¸€ä¸ªå­—æ®µä¸­ï¼Œè€Œä¸?æ˜¯é€šè¿‡ä½¿ç”¨getline variableçš„å½¢å¼?å¤„ç?†ä¸€èˆ¬å­—æ®µã€‚å½“ä½¿ç”¨è¿™ç§?æ–¹å¼?æ—¶ï¼ŒNFè¢«ç½®æˆ?0ï¼ŒFNRå’ŒNRè¢«å¢žå€¼ã€‚</p>
<p>ç”¨æˆ·ä¹Ÿå?¯ä»¥ä½¿ç”¨getline&#8221;datafile&#8221;<br />
æˆ–<br />
printf(&#8220;hello word!\n&#8221;)&gt;&gt;&#8221;datafile&#8221;</p>
<p>5.è¾“å‡ºåˆ°ä¸€ä¸ªå‘½ä»¤</p>
<p>awkä¸­å…?è®¸ç”¨å¦‚ä¸‹æ–¹å¼?å°†ç»“æžœè¾“å‡ºåˆ°ä¸€ä¸ªå‘½ä»¤ï¼š</p>
<p>printf(&#8220;hello word!\n&#8221;)|&#8221;sort-t&#8217;,'&#8221;</p>
<p>awkä¸Žshell scriptæ··å?ˆç¼–ç¨‹</p>
<p>å› ä¸ºawkå?¯ä»¥ä½œä¸ºä¸€ä¸ªshellå‘½ä»¤ä½¿ç”¨ï¼Œå› æ­¤awkèƒ½ä¸Žshellæ‰¹å¤„ç?†ç¨‹åº?å¾ˆå¥½çš„èž?å?ˆåœ¨ä¸€èµ·ï¼Œè¿™ç»™å®žçŽ°awkä¸Žshellç¨‹åº?çš„æ··å?ˆç¼–ç¨‹æ??ä¾›äº†å?¯èƒ½ã€‚å®žçŽ°æ··å?ˆç¼–ç¨‹çš„å…³é”®æ˜¯awkä¸Žshell scriptä¹‹é—´çš„å¯¹è¯?ï¼Œæ?¢è¨€ä¹‹ï¼Œå°±æ˜¯awkä¸Žshell scriptä¹‹é—´çš„ä¿¡æ?¯äº¤æµ?:awkä»Žshell scriptä¸­èŽ·å?–æ‰€éœ€çš„ä¿¡æ?¯ï¼ˆé€šå¸¸æ˜¯å?˜é‡?çš„å€¼ï¼‰ã€?åœ¨awkä¸­æ‰§è¡Œshellå‘½ä»¤è¡Œã€?shell scriptå°†å‘½ä»¤æ‰§è¡Œçš„ç»“æžœé€?ç»™awkå¤„ç?†ä»¥å?Šshell scriptè¯»å?–awkçš„æ‰§è¡Œç»“æžœç­‰ç­‰ã€‚</p>
<p>1.awkè¯»å?–Shell scriptç¨‹åº?å?˜é‡?</p>
<p>åœ¨awkä¸­æˆ‘ä»¬å?¯ä»¥é€šè¿‡â€œ&#8217;$å?˜é‡?å??&#8217;â€?çš„æ–¹å¼?è¯»å?–sell scrpitç¨‹åº?ä¸­çš„å?˜é‡?ã€‚</p>
<p>ä¾‹ï¼šåœ¨ä¸‹é?¢çš„ç¤ºä¾‹ä¸­ï¼Œæˆ‘ä»¬å°†è¯»å?–sell scrpitç¨‹åº?ä¸­çš„å?˜é‡?Nameï¼Œè¯¥å?˜é‡?å­˜æ”¾çš„æ˜¯æ–‡æœ¬myfileçš„æ’°å†™è€…ï¼Œawkå°†æ‰“å?°å‡ºè¿™ä¸ªäººå??ã€‚</p>
<p>$cat writename<br />
:<br />
# @(#)<br />
#<br />
.<br />
.<br />
.<br />
Name=&#8221;å¼ ä¸‰&#8221; nawk &#8216;BEGIN {name=&#8221;&#8216;Name&#8217;&#8221;;\ printf(&#8220;\t%s\tæ’°å†™è€…%s\n&#8221;,FILENAME,name&#8221;);}\<br />
{&#8230;}END{&#8230;}&#8217; myfile<br />
.<br />
.<br />
.</p>
<p>2.å°†shellå‘½ä»¤çš„æ‰§è¡Œç»“æžœé€?ç»™awkå¤„ç?†</p>
<p>ä½œä¸ºä¿¡æ?¯ä¼ é€?çš„ä¸€ç§?æ–¹æ³•ï¼Œæˆ‘ä»¬å?¯ä»¥å°†ä¸€æ?¡shellå‘½ä»¤çš„ç»“æžœé€šè¿‡ç®¡é?“çº¿ï¼ˆ|ï¼‰ä¼ é€’ç»™awkå¤„ç?†ï¼š</p>
<p>ä¾‹ï¼šç¤ºä¾‹awkå¤„ç?†shellå‘½ä»¤çš„æ‰§è¡Œç»“æžœ</p>
<p>$who -u | awk &#8216;{printf(&#8220;%sæ­£åœ¨æ‰§è¡Œ%s\n&#8221;,$2,$1)}&#8217;</p>
<p>è¯¥å‘½ä»¤å°†æ‰“å?°å‡ºæ³¨å†Œç»ˆç«¯æ­£åœ¨æ‰§è¡Œçš„ç¨‹åº?å??ã€‚</p>
<p>3.shell scriptç¨‹åº?è¯»awkçš„æ‰§è¡Œç»“æžœ</p>
<p>ä¸ºäº†å®žçŽ°shell scriptç¨‹åº?è¯»å?–awkæ‰§è¡Œçš„ç»“æžœï¼Œæˆ‘ä»¬å?¯ä»¥é‡‡å?–ä¸€äº›ç‰¹æ®Šçš„æ–¹æ³•ï¼Œä¾‹å¦‚æˆ‘ä»¬å?¯ä»¥ç”¨å?˜é‡?å??=`awkè¯­å?¥`çš„å½¢å¼?å°†awkæ‰§è¡Œçš„ç»“æžœå­˜æ”¾å…¥ä¸€ä¸ª shell scriptå?˜é‡?ã€‚å½“ç„¶ä¹Ÿå?¯ä»¥ç”¨ç®¡é?“çº¿çš„æ–¹æ³•å°†awkæ‰§è¡Œç»“æžœä¼ é€’ç»™shell scriptç¨‹åº?å¤„ç?†ã€‚</p>
<p>ä¾‹ï¼šä½œä¸ºä¼ é€?æ¶ˆæ?¯çš„æœºåˆ¶ä¹‹ä¸€ï¼ŒUNIXæ??ä¾›äº†ä¸€ä¸ªå?‘å…¶æ‰€æœ‰ç”¨æˆ·ä¼ é€?æ¶ˆæ?¯çš„å‘½ä»¤wallï¼ˆæ„?æ€?æ˜¯write to allå†™ç»™æ‰€æœ‰ç”¨æˆ·ï¼‰ï¼Œè¯¥å‘½ä»¤å…?è®¸å?‘æ‰€æœ‰å·¥ä½œä¸­çš„ç”¨æˆ·ï¼ˆç»ˆç«¯ï¼‰å?‘é€?æ¶ˆæ?¯ã€‚ä¸ºæ­¤ï¼Œæˆ‘ä»¬å?¯ä»¥é€šè¿‡ä¸€æ®µshellæ‰¹å¤„ç?†ç¨‹åº?wall.shellæ?¥æ¨¡æ‹Ÿè¿™ä¸€ç¨‹åº?ï¼ˆäº‹å®žä¸Šæ¯”è¾ƒè€?çš„ç‰ˆæœ¬ä¸­wallå°±æ˜¯ä¸€æ®µshellæ‰¹å¤„ç?†ç¨‹åº?ï¼š</p>
<p>$cat wall.shell<br />
:<br />
# @(#) wall.shell:å?‘é€?æ¶ˆæ?¯ç»™æ¯?ä¸ªå·²æ³¨å†Œç»ˆç«¯<br />
#<br />
cat &gt;/tmp/$$<br />
#ç”¨æˆ·å½•å…¥æ¶ˆæ?¯æ–‡æœ¬ who -u | awk &#8216;{print $2}&#8217; | while read tty<br />
do<br />
cat /tmp/$$&gt;$tty<br />
done</p>
<p>åœ¨è¿™ä¸ªç¨‹åº?é‡Œï¼ŒawkæŽ¥å?—who -uå‘½ä»¤çš„æ‰§è¡Œç»“æžœï¼Œè¯¥å‘½ä»¤æ‰“å?°å‡ºæ‰€æœ‰å·²æ³¨å†Œç»ˆç«¯çš„ä¿¡æ?¯ï¼Œå…¶ä¸­ç¬¬äºŒä¸ªå­—æ®µæ˜¯å·²æ³¨å†Œç»ˆç«¯çš„è®¾å¤‡å??ï¼Œå› æ­¤ç”¨awkå‘½ä»¤æž?å‡ºè¯¥è®¾å¤‡å??ï¼Œç„¶å?Žç”¨while read ttyè¯­å?¥å¾ªçŽ¯è¯»å‡ºè¿™äº›æ–‡ä»¶å??åˆ°å?˜é‡?ï¼ˆshell scriptå?˜é‡?ï¼‰ttyä¸­ï¼Œä½œä¸ºä¿¡æ?¯ä¼ é€?çš„ç»ˆç»“åœ°å?€ã€‚</p>
<p>4.åœ¨awkä¸­æ‰§è¡Œshellå‘½ä»¤è¡Œ&#8212;-åµŒå…¥å‡½æ•°system()</p>
<p>system()æ˜¯ä¸€ä¸ªä¸?é€‚å?ˆå­—ç¬¦æˆ–æ•°å­—ç±»åž‹çš„åµŒå…¥å‡½æ•°ï¼Œè¯¥å‡½æ•°çš„åŠŸèƒ½æ˜¯å¤„ç?†ä½œä¸ºå?‚æ•°ä¼ é€’ç»™å®ƒçš„å­—ç¬¦ä¸²ã€‚systemå¯¹è¿™ä¸ªå?‚æ•°çš„å¤„ç?†å°±æ˜¯å°†å…¶ä½œä¸ºå‘½ä»¤å¤„ç?†ï¼Œä¹Ÿå°±æ˜¯è¯´å°†å…¶å½“ä½œå‘½ä»¤è¡Œä¸€æ ·åŠ ä»¥æ‰§è¡Œã€‚è¿™ä½¿å¾—ç”¨æˆ·åœ¨è‡ªå·±çš„awkç¨‹åº?éœ€è¦?æ—¶å?¯ä»¥ç?µæ´»åœ°æ‰§è¡Œå‘½ä»¤æˆ–è„šæœ¬ã€‚</p>
<p>ä¾‹ï¼šä¸‹é?¢çš„ç¨‹åº?å°†ä½¿ç”¨systemåµŒå…¥å‡½æ•°æ‰“å?°ç”¨æˆ·ç¼–åˆ¶å¥½çš„æŠ¥è¡¨æ–‡ä»¶ï¼Œè¿™ä¸ªæ–‡ä»¶å­˜æ”¾åœ¨å??ä¸ºmyreport.txtçš„æ–‡ä»¶ä¸­ã€‚ä¸ºç®€çº¦èµ·è§?ï¼Œæˆ‘ä»¬å?ªåˆ—å‡ºäº†å…¶ENDéƒ¨åˆ†ï¼š</p>
<p>.<br />
.<br />
.<br />
END {close(&#8220;myreport.txt&#8221;);system(&#8220;lp myreport.txt&#8221;);}</p>
<p>åœ¨è¿™ä¸ªç¤ºä¾‹ä¸­ï¼Œæˆ‘ä»¬é¦–å…ˆä½¿ç”¨closeè¯­å?¥å…³é—­äº†æ–‡ä»¶myreport.txtæ–‡ä»¶ï¼Œç„¶å?Žä½¿ç”¨systemåµŒå…¥å‡½æ•°å°†myreport.txté€?å…¥æ‰“å?°æœºæ‰“å?°ã€‚</p>
<p>å†™åˆ°è¿™é‡Œï¼Œæˆ‘ä¸?å¾—ä¸?è·Ÿæœ‹å?‹ä»¬è¯´å†?è§?äº†ï¼Œå®žåœ¨åœ°è¯´ï¼Œè¿™äº›å†…å®¹ä»?ç„¶æ˜¯awkçš„åˆ?æ­¥çŸ¥è¯†ï¼Œç”µè„‘æ°¸è¿œæ˜¯å‰?è¿›çš„ç§‘å­¦ï¼Œawkä¹Ÿä¸?ä¾‹å¤–ï¼Œæœ¬ç¯‡æ‰€èƒ½å?šçš„å?ªæ˜¯åœ¨ä½ å‰?è¡Œçš„æ¼«æ¼«é•¿é€”ä¸­é“ºå¹³ä¸€æ®µå°?å°?å¼€ç«¯ï¼Œå‰©ä¸‹çš„è·¯è¿˜å¾—é? ä½ è‡ªå·±åŽ»èµ°ã€‚è€?å®žè¯´ï¼Œå¦‚æžœæœ¬æ–‡çœŸèƒ½ç»™ä½ å‰?è¡Œçš„è·¯ä¸Šå¸¦æ?¥äº›è®¸çš„æ–¹ä¾¿ï¼Œé‚£æœ¬äººå°±çŸ¥è¶³äº†ï¼?</p>
<p>å¦‚å¯¹æœ¬ç¯‡æœ‰ä»»ä½•ç–‘é—®ï¼Œè¯·E-mail To:Chizlong@yeah.netæˆ–åˆ°ä¸»é¡µhttp://chizling.yeah.netä¸­ç•™è¨€ã€‚</p>
<p>é™„å½•ï¼š</p>
<p>1.awkçš„å¸¸è§„è¡¨è¾¾å¼?å…ƒå­—ç¬¦</p>
<p>\ æ?¢ç ?åº?åˆ—<br />
^ åœ¨å­—ç¬¦ä¸²çš„å¼€å¤´å¼€å§‹åŒ¹é…?<br />
$ åœ¨å­—ç¬¦ä¸²çš„ç»“å°¾å¼€å§‹åŒ¹é…?<br />
. ä¸Žä»»ä½•å?•ä¸ªå­—ç¬¦ä¸²åŒ¹é…?<br />
[ABC] ä¸Ž[]å†…çš„ä»»ä¸€å­—ç¬¦åŒ¹é…?<br />
[A-Ca-c] ä¸ŽA-Cå?Ša-cèŒƒå›´å†…çš„å­—ç¬¦åŒ¹é…?ï¼ˆæŒ‰å­—æ¯?è¡¨é¡ºåº?ï¼‰<br />
[^ABC] ä¸Žé™¤[]å†…çš„æ‰€æœ‰å­—ç¬¦ä»¥å¤–çš„ä»»ä¸€å­—ç¬¦åŒ¹é…?<br />
Desk|Chair ä¸ŽDeskå’ŒChairä¸­çš„ä»»ä¸€ä¸ªåŒ¹é…?<br />
[ABC][DEF] å…³è?”ã€‚ä¸ŽAã€?Bã€?Cä¸­çš„ä»»ä¸€å­—ç¬¦åŒ¹é…?ï¼Œä¸”å…¶å?Žè¦?è·ŸDã€?Eã€?Fä¸­çš„ä»»ä¸€ä¸ªå­—ç¬¦ã€‚<br />
* ä¸ŽAã€?Bæˆ–Cä¸­ä»»ä¸€ä¸ªå‡ºçŽ°0æ¬¡æˆ–å¤šæ¬¡çš„å­—ç¬¦ç›¸åŒ¹é…?<br />
+ ä¸ŽAã€?Bæˆ–Cä¸­ä»»ä½•ä¸€ä¸ªå‡ºçŽ°1æ¬¡æˆ–å¤šæ¬¡çš„å­—ç¬¦ç›¸åŒ¹é…?<br />
ï¼Ÿ ä¸Žä¸€ä¸ªç©ºä¸²æˆ–Aã€?Bæˆ–Cåœ¨ä»»ä½•ä¸€ä¸ªå­—ç¬¦ç›¸åŒ¹é…?<br />
ï¼ˆBlue|Blackï¼‰berry å?ˆå¹¶å¸¸è§„è¡¨è¾¾å¼?ï¼Œä¸ŽBlueberryæˆ–Blackberryç›¸åŒ¹é…?</p>
<p>2.awkç®—æœ¯è¿?ç®—ç¬¦</p>
<p>è¿?ç®—ç¬¦ ç”¨é€”<br />
&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br />
x^y xçš„yæ¬¡å¹‚<br />
x**y å?Œä¸Š<br />
x%y è®¡ç®—x/yçš„ä½™æ•°ï¼ˆæ±‚æ¨¡ï¼‰<br />
x+y xåŠ y<br />
x-y xå‡?y<br />
x*y xä¹˜y<br />
x/y xé™¤y<br />
-y è´Ÿy(yçš„å¼€å…³ç¬¦å?·);ä¹Ÿç§°ä¸€ç›®å‡?<br />
++y yåŠ 1å?Žä½¿ç”¨y(å‰?ç½®åŠ ï¼‰<br />
y++ ä½¿ç”¨yå€¼å?ŽåŠ 1ï¼ˆå?Žç¼€åŠ ï¼‰<br />
&#8211;y yå‡?1å?Žä½¿ç”¨y(å‰?ç½®å‡?ï¼‰<br />
y&#8211; ä½¿ç”¨å?Žyå‡?1(å?Žç¼€å‡?ï¼‰<br />
x=y å°†yçš„å€¼èµ‹ç»™x<br />
x+=y å°†x+yçš„å€¼èµ‹ç»™x<br />
x-=y å°†x-yçš„å€¼èµ‹ç»™x<br />
x*=y å°†x*yçš„å€¼èµ‹ç»™x<br />
x/=y å°†x/yçš„å€¼èµ‹ç»™x x%=y å°†x%yçš„å€¼èµ‹ç»™x<br />
x^=y å°†x^yçš„å€¼èµ‹ç»™x<br />
x**=y å°†x**yçš„å€¼èµ‹ç»™x</p>
<p>3.awkå…?è®¸çš„æµ‹è¯•ï¼š</p>
<p>æ“?ä½œç¬¦ å?«ä¹‰</p>
<p>x==y xç­‰äºŽy<br />
x!=y xä¸?ç­‰äºŽy<br />
x&gt;y xå¤§äºŽy<br />
x&gt;=y xå¤§äºŽæˆ–ç­‰äºŽy<br />
x &gt;= </p>
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			<wfw:commentRss>http://flymeteor.wordpress.com/2005/12/22/awk%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c/feed/</wfw:commentRss>
		<slash:comments>9</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/81170797c83c682a5341514d71d01585?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">flymeteor</media:title>
		</media:content>
	</item>
		<item>
		<title>åœ¨ FreeBSD ä¸Šä½¿ç”¨è½¯ RAID-1</title>
		<link>http://flymeteor.wordpress.com/2005/12/21/%e5%9c%a8-freebsd-%e4%b8%8a%e4%bd%bf%e7%94%a8%e8%bd%af-raid-1/</link>
		<comments>http://flymeteor.wordpress.com/2005/12/21/%e5%9c%a8-freebsd-%e4%b8%8a%e4%bd%bf%e7%94%a8%e8%bd%af-raid-1/#comments</comments>
		<pubDate>Wed, 21 Dec 2005 04:36:18 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[Linux/Unix]]></category>

		<guid isPermaLink="false">http://flymeteor.wordpress.com/2005/12/21/%e5%9c%a8-freebsd-%e4%b8%8a%e4%bd%bf%e7%94%a8%e8%bd%af-raid-1/</guid>
		<description><![CDATA[åœ¨ FreeBSD ä¸Šä½¿ç”¨è½¯ RAID-1 Dru Lavigne ã€€ã€€æœ‰æ²¡æœ‰æƒ³è¿‡ä¸ºä½Žç«¯æœ?åŠ¡å™¨å?šè½¯ RAIDï¼Ÿä½ æˆ–è®¸æƒ³è¿‡åœ¨ä¸?è´­ç½®ç¡¬ RAID æŽ§åˆ¶å?¡çš„å‰?æ??ä¸‹ï¼Œé€šè¿‡ç£?ç›˜é•œåƒ?ä¸ºä½ çš„å·¥ä½œç«™å¸¦æ?¥å†—ä½™ä¿?æŠ¤ã€‚ä½ æ˜¯å?¦æœ‰è¿‡ç—›è‹¦çš„é…?ç½®ç»?åŽ†ï¼Œä½¿ä½ å¯¹ Unix ç³»ç»Ÿä¸Šçš„è½¯ RAID å?´æ­¥ï¼Ÿ ã€€ã€€FreeBSD 5.3 å?Šæ›´é«˜çš„ç‰ˆæœ¬åŠ å…¥äº† gmirror(8)ï¼›å®ƒè®©ä½ è½»æ˜“åœ°é…?ç½®ä½¿ç”¨è½¯ RAID 1ã€‚å°½ç®¡ gmirror å·²æœ‰ä¸?å°‘æ•™ç¨‹ï¼Œä½†æˆ‘å?‘çŽ°å®ƒä»¬ä¸?æ˜¯è¦?æ±‚ç”¨ bsdlabel æ?¥æ‰‹åŠ¨è®¡ç®—åˆ†åŒºçš„å¤§å°?å°±æ˜¯è¦?ç”¨åˆ°ä¸€å¼ ç”¨ä»¥ä¿®æ­£çŽ°æœ‰ç³»ç»Ÿçš„è½¯ç›˜ã€‚ ã€€ã€€æˆ‘ä»¥ä¸ºåœ¨å®‰è£…æ“?ä½œç³»ç»Ÿçš„è¿‡ç¨‹ä¸­é…?ç½® RAID æ›´ä¸ºå?ˆç?†ã€‚æˆ‘ä¹Ÿå¸Œæœ›é…?ç½®æ­¥éª¤èƒ½å?šåˆ°æ˜“äºŽç?†è§£å¹¶ä¸”ä¸?é€ æˆ?è¯¸å¦‚è®¡ç®—å‡ºé”™çš„äººä¸ºé”™è¯¯ã€‚é€šè¿‡æ‹¼å‡‘çŽ°æœ‰çš„è¯´æ˜Žæ–‡å­—ï¼Œè‡ªå·±è¿›è¡Œå¤šæ–¹é…?ç½®å®žéªŒå?Žï¼Œæˆ‘æ‰¾åˆ°äº†åœ¨æ•°ä¸ªä¸?å?Œç³»ç»Ÿ ä¸Šéƒ½é€‚ç”¨çš„é…?ç½®æ­¥éª¤ã€‚æˆ‘ä¹Ÿä»Ž gmirror çš„ç¼–å†™è€… Pawel Jakub Dawidek é‚£é‡Œå¾—åˆ°äº†å¾ˆæœ‰ä»·å€¼çš„å›žé¦ˆï¼›ä»–é€?éœ²äº† gmirror ä¸€äº›å°šæœªå…¬å¼€çš„ç‰¹æ€§ã€‚ GEOM èƒŒæ™¯çŸ¥è¯† ã€€ã€€åœ¨ä»‹ç»?é…?ç½®æ­¥éª¤ä¹‹å‰?ï¼Œå…ˆäº†è§£ä¸€ä¸‹ GEOM æ˜¯å¾ˆæœ‰ç”¨çš„ã€‚GEOM æ˜¯ FreeBSD 5.0 å¼•å…¥çš„æ¨¡å?—ç£?ç›˜æž„æž¶ã€‚è¯¥æ¨¡å?—æž„æž¶å…?è®¸é€šè¿‡ç¼–å†™ç¨‹åº?æ?¥æ“?æŽ§ç£?ç›˜ã€‚FreeBSD 5.3 å¼•å…¥çš„è½¯ RAID ç¨‹åº?å°±æ˜¯æœ€å¥½çš„ä¾‹å­?ã€‚ ã€€ã€€gstripe(8) å?¯å?š RAID 0 ã€€ã€€gmirror(8) å?¯å?š [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=flymeteor.wordpress.com&amp;blog=8391&amp;post=32&amp;subd=flymeteor&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>åœ¨ FreeBSD ä¸Šä½¿ç”¨è½¯ RAID-1 </p>
<p>Dru Lavigne </p>
<p>ã€€ã€€æœ‰æ²¡æœ‰æƒ³è¿‡ä¸ºä½Žç«¯æœ?åŠ¡å™¨å?šè½¯ RAIDï¼Ÿä½ æˆ–è®¸æƒ³è¿‡åœ¨ä¸?è´­ç½®ç¡¬ RAID æŽ§åˆ¶å?¡çš„å‰?æ??ä¸‹ï¼Œé€šè¿‡ç£?ç›˜é•œåƒ?ä¸ºä½ çš„å·¥ä½œç«™å¸¦æ?¥å†—ä½™ä¿?æŠ¤ã€‚ä½ æ˜¯å?¦æœ‰è¿‡ç—›è‹¦çš„é…?ç½®ç»?åŽ†ï¼Œä½¿ä½ å¯¹ Unix ç³»ç»Ÿä¸Šçš„è½¯ RAID å?´æ­¥ï¼Ÿ </p>
<p>ã€€ã€€FreeBSD 5.3 å?Šæ›´é«˜çš„ç‰ˆæœ¬åŠ å…¥äº† gmirror(8)ï¼›å®ƒè®©ä½ è½»æ˜“åœ°é…?ç½®ä½¿ç”¨è½¯ RAID 1ã€‚å°½ç®¡ gmirror å·²æœ‰ä¸?å°‘æ•™ç¨‹ï¼Œä½†æˆ‘å?‘çŽ°å®ƒä»¬ä¸?æ˜¯è¦?æ±‚ç”¨ bsdlabel æ?¥æ‰‹åŠ¨è®¡ç®—åˆ†åŒºçš„å¤§å°?å°±æ˜¯è¦?ç”¨åˆ°ä¸€å¼ ç”¨ä»¥ä¿®æ­£çŽ°æœ‰ç³»ç»Ÿçš„è½¯ç›˜ã€‚ </p>
<p>ã€€ã€€æˆ‘ä»¥ä¸ºåœ¨å®‰è£…æ“?ä½œç³»ç»Ÿçš„è¿‡ç¨‹ä¸­é…?ç½® RAID æ›´ä¸ºå?ˆç?†ã€‚æˆ‘ä¹Ÿå¸Œæœ›é…?ç½®æ­¥éª¤èƒ½å?šåˆ°æ˜“äºŽç?†è§£å¹¶ä¸”ä¸?é€ æˆ?è¯¸å¦‚è®¡ç®—å‡ºé”™çš„äººä¸ºé”™è¯¯ã€‚é€šè¿‡æ‹¼å‡‘çŽ°æœ‰çš„è¯´æ˜Žæ–‡å­—ï¼Œè‡ªå·±è¿›è¡Œå¤šæ–¹é…?ç½®å®žéªŒå?Žï¼Œæˆ‘æ‰¾åˆ°äº†åœ¨æ•°ä¸ªä¸?å?Œç³»ç»Ÿ ä¸Šéƒ½é€‚ç”¨çš„é…?ç½®æ­¥éª¤ã€‚æˆ‘ä¹Ÿä»Ž gmirror çš„ç¼–å†™è€… Pawel Jakub Dawidek é‚£é‡Œå¾—åˆ°äº†å¾ˆæœ‰ä»·å€¼çš„å›žé¦ˆï¼›ä»–é€?éœ²äº† gmirror ä¸€äº›å°šæœªå…¬å¼€çš„ç‰¹æ€§ã€‚ <span id="more-32"></span></p>
<p>GEOM èƒŒæ™¯çŸ¥è¯† </p>
<p>ã€€ã€€åœ¨ä»‹ç»?é…?ç½®æ­¥éª¤ä¹‹å‰?ï¼Œå…ˆäº†è§£ä¸€ä¸‹ GEOM æ˜¯å¾ˆæœ‰ç”¨çš„ã€‚GEOM æ˜¯ FreeBSD 5.0 å¼•å…¥çš„æ¨¡å?—ç£?ç›˜æž„æž¶ã€‚è¯¥æ¨¡å?—æž„æž¶å…?è®¸é€šè¿‡ç¼–å†™ç¨‹åº?æ?¥æ“?æŽ§ç£?ç›˜ã€‚FreeBSD 5.3 å¼•å…¥çš„è½¯ RAID ç¨‹åº?å°±æ˜¯æœ€å¥½çš„ä¾‹å­?ã€‚ </p>
<p>ã€€ã€€gstripe(8) å?¯å?š RAID 0 <br />ã€€ã€€gmirror(8) å?¯å?š RAID 1 <br />ã€€ã€€graid3(8) å?¯å?š RAID 3 </p>
<p>ã€€ã€€ä»¥ä¸Šçš„é¦–å­—ç¬¦ g è¡¨ç¤ºè¿™äº›ç¨‹åº?éƒ½åˆ©ç”¨åˆ°äº† GEOMã€‚ </p>
<p>ã€€ã€€æ³¨ï¼šè‹¥ä½ ä¸?çŸ¥é?“ RAID ä¸ºä½•ç‰©ï¼Œåˆ™å?¯å?‚é˜… Webopedia æœ‰å…³å®šä¹‰ä¸?å?Œ RAID çš„é“¾æŽ¥ http://www.webopedia.com/TERM/R/RAID.htmlã€‚ </p>
<p>ã€€ã€€man 4 geom è¿°è¯´äº† geom æ‰€ç”¨åˆ°çš„ç£?ç›˜æœ¯è¯­ï¼›åœ¨è®¾ç½® gmirror çš„è¿‡ç¨‹ä¸­ï¼Œæˆ‘ä»¬å°†ä¼šçœ‹åˆ°ä¸€äº›ã€‚å®ƒä»¬åŒ…æ‹¬ï¼š </p>
<p>ã€€ã€€provider &#8212; è¯¥ GEOM å®žä½“åœ¨ /dev ä¸‹å‡ºçŽ°ã€‚æœ¬æ–‡å°†ä»‹ç»?å¦‚ä½•åˆ›å»º /dev/mirror/gm0 è¿™ä¸ª providerï¼Œå®ƒä»£è¡¨ç£?ç›˜é•œåƒ?æˆ–å?Œå·¥ã€‚ </p>
<p>ã€€ã€€consumer &#8212; è¯¥å®žä½“æŽ¥æ”¶ I/O è¯·æ±‚ã€‚åœ¨é•œåƒ?/å?Œå·¥çš„ä¾‹å­?ä¸­ï¼Œè¿™æŒ‡çš„å°±æ˜¯ä¸¤å?—ç¡¬ç›˜ã€‚æˆ‘ç”¨ä¸¤æ ¹æ•°æ?®çº¿åˆ†åˆ«è¿žæŽ¥ä¸¤å?— IDE ç¡¬ç›˜ï¼Œå¾—åˆ° /dev/ad0 å’Œ /dev/ad2ã€‚ </p>
<p>ã€€ã€€metadata (å…ƒæ•°æ?®) &#8212; åœ¨ä¸?å?Œçš„ RAID ä¸­ï¼Œå®ƒåŒ…æ‹¬é˜µåˆ—æˆ?å‘˜å?Šå…¶å°ºå¯¸ã€?ä½?ç½®ï¼Œé€»è¾‘ç£?ç›˜å?Šåˆ†åŒºçš„æ??è¿°å’Œç£?ç›˜é˜µåˆ—çš„å½“å‰?çŠ¶æ€?ã€‚ </p>
<p>ã€€ã€€é•œåƒ?/å?Œå·¥ &#8212; RAID 1 ä¿?æŒ?ä¸¤å?—ç¡¬ç›˜çš„æ•°æ?®ä¸€è‡´ã€‚æ?¢å?¥è¯?è¯´ï¼Œå®ƒå°†ä¸€å?—ç¡¬ç›˜çš„æ•°æ?®é•œå°„åˆ°å?¦ä¸€å?—ç¡¬ç›˜ã€‚è‹¥ä¸¤å?—ç¡¬ç›˜å?ŒæŽ¥åœ¨ä¸€æ ¹ IDE æ•°æ?®çº¿ä¸Šï¼Œåˆ™ç§°ä¸ºé•œåƒ?ï¼›è‹¥ä¸¤å?—ç¡¬ç›˜æŽ¥åœ¨ä¸?å?Œçš„æ•°æ?®çº¿ä¸Šï¼Œåˆ™ç§°ä¸ºå?Œå·¥ã€‚å› ä¸ºå?•ä¸€æ•°æ?®çº¿æ˜“é€ æˆ?å?•ç‚¹æ•…éšœï¼Œæ‰€ä»¥é‡‡ç”¨å?Œå·¥çš„å? å¤§å¤šæ•°ã€‚ </p>
<p>åœ¨å®‰è£…æ“?ä½œç³»ç»Ÿçš„è¿‡ç¨‹ä¸­é…?ç½®é•œåƒ?/å?Œå·¥ </p>
<p>ã€€ã€€è‹¥ä½ æ‰“ç®—ç”¨ RAID 1ï¼Œä¸ºé?¿å…?èŠ‚å¤–ç”Ÿæž?ï¼Œè´­ç½®ä¸¤å?—ä¸€æ¨¡ä¸€æ ·çš„ç¡¬ç›˜(ç›¸å?Œçš„åž‹å?·å’Œå°ºå¯¸)ã€‚è‹¥åž‹å?·æˆ–å°ºå¯¸ä¸?ä¸€è‡´ï¼Œäº‹æƒ…å°†ä¼šå?˜å¾—å¾ˆå¤?æ?‚ï¼›å°±ç®—ç»?è¿‡è‰°è¾›çš„é…?ç½®æˆ?äº‹äº†ï¼Œåˆ°å¤´æ?¥ï¼Œä½ å?ªèƒ½ ä»¥æµªè´¹è¾ƒå¤§ç¡¬ç›˜å¤šå‡ºæ?¥çš„ç©ºé—´æ”¶åœºã€‚å°†ä¸€ä¸ªä½œä¸ºç¬¬ä¸€ä¸»ç›˜ï¼Œå?¦ä¸€ä¸ªä½œä¸ºç¬¬äºŒä¸»ç›˜ï¼ŒæŽ¥å¥½ä¸¤å?—ä¸€æ ·çš„ç¡¬ç›˜ã€‚åœ¨å®‰è£…æ“?ä½œç³»ç»Ÿä¹‹å‰?ï¼Œå†?æ¬¡æ£€æŸ¥ CMOS æ˜¯å?¦å·²è®¤å‡ºä¸¤å?—ç¡¬ç›˜ã€‚ </p>
<p>ã€€ã€€æŒ‰è‡ªå·±å–œæ¬¢çš„å®‰è£…æ–¹å¼?å¼€å§‹å®‰è£… FreeBSD ä»»ä¸€ç‰ˆæœ¬(5.3 æˆ–ä»¥ä¸Š)ã€‚åˆ°äº† Select Drives (é€‰å®šç¡¬ç›˜)è?œå?•æ—¶ï¼Œå°†ä¼šæ˜¾ç¤º ad0 å’Œ ad2ã€‚é€‰ ad0ï¼Œå› ä¸ºä½ å°†æŠŠæ“?ä½œç³»ç»Ÿå®‰è£…äºŽè¯¥ä¸»ç›˜ä¸Šã€‚ </p>
<p>ã€€ã€€è¿›å…¥ fdisk ç•Œé?¢å?Žï¼Œåˆ é™¤æ‰€æœ‰çŽ°å­˜çš„åˆ†åŒºï¼Œç„¶å?Žé€‰ Use entire disk (ä½¿ç”¨æ•´ä¸ªç£?ç›˜)ã€‚å½“æ??ç¤ºå?¯åŠ¨è?œå?•æ—¶ï¼Œé€‰ Standard MBR (æ ‡å‡† MBR)ã€‚ </p>
<p>ã€€ã€€æ?¥åˆ° disklabel ç•Œé?¢æ—¶ï¼Œæ ¹æ?®è‡ªå·±çš„éœ€è¦?å°† ad0 åˆ†åŒºã€‚è‹¥ä¸?çŸ¥é?“è¯¥æ€Žä¹ˆå?šï¼Œé€‰ a è®©ç³»ç»Ÿè‡ªåŠ¨åˆ†åŒºã€‚ç„¶å?Žé€‰æ‹©é¢„è®¾çš„å®‰è£…å¥—ä»¶å’Œå®‰è£…åª’ä½“æº?ï¼Œè®©æ“?ä½œç³»ç»Ÿå¦‚å¸¸å®‰è£…ã€‚ </p>
<p>ã€€ã€€å®‰è£…å®Œæ¯•å?Žï¼Œæµ?è§ˆåˆ° postinstall configurations (å?Žå®‰è£…é…?ç½®)è®¾ç½®ä½ çš„æ—¶åŒºï¼Œåˆ›å»ºç”¨æˆ·å¸?å?·ï¼Œè®¾å®š root çš„å¯†ç ?ç­‰ã€‚ </p>
<p>ã€€ã€€ä¸?è¿‡ï¼Œå½“å›žåˆ° sysinstall ä¸»è?œå?•æ—¶ï¼Œä¸?è¦?æ€¥äºŽé‡?å?¯ç³»ç»Ÿã€‚æŒ‰ä¸‹ Alt-F4ï¼Œè¿›å…¥å‘½ä»¤æ??ç¤ºè¡Œã€‚æˆ‘ä»¬é¦–å…ˆé”®å…¥ csh å‘½ä»¤ï¼Œè¿™æ ·å°±å¾—åˆ°ä¸€ä¸ªå¸¦åŽ†å?²è®°å½•çš„ shell (é»˜è®¤çš„ shell æ˜¯ Bourne)ã€‚ </p>
<p>ã€€ã€€åˆ›å»ºé•œåƒ?/å?Œå·¥å¾ˆç®€å?•ï¼Œå?ªè¦?é”®å…¥ï¼š </p>
<p>ã€€ã€€# gmirror label -v -b round-robin gm0 /dev/ad0 </p>
<p>ã€€ã€€å…¶ä¸­ï¼Œgmirror label åˆ›å»ºé•œåƒ?ï¼›-v å¼€å?¯å†—é•¿æ¨¡å¼?ï¼›-b round-robin é€‰ç”¨å¹³è¡¡ç®—æ³•(ç›®å‰? round-robin ç®—æ³•æ€§èƒ½æœ€ä½³)ï¼›gm0 å?³é•œåƒ?/å?Œå·¥çš„å??ç§°(è¯¥å??ç§°ä»£è¡¨ç¬¬ä¸€ä¸ª GEOM é•œåƒ?)ï¼›/dev/ad0 ä»£è¡¨ç”¨ä»¥é•œå°„çš„æº?ç›˜ã€‚ </p>
<p>ã€€ã€€ç„¶è€Œï¼Œè‹¥çŽ°åœ¨ä¾¿é”®å…¥å‘½ä»¤ä¼šä½¿ä½ å¤±æœ›ã€‚ </p>
<p>ã€€ã€€# gmirror label -v -b round-robin gm0 /dev/ad0 <br />ã€€ã€€Can&#8217;t store metadata on /dev/ad0: Operation not permitted <br />ã€€ã€€(æ— æ³•å°†å…ƒæ•°æ?®ä¿?å­˜äºŽ /dev/ad0 ä¸Šï¼šç¦?æ­¢æ“?ä½œ) </p>
<p>ã€€ã€€è¿™æ˜¯ä¸€ç§?å®‰å…¨ç‰¹æ€§ï¼Œè¡¨ç¤ºç£?ç›˜å·²è¢«åŠ è½½ä»¥ä¾¿å†™å…¥ï¼›å› æ­¤ä¸?å?¯ç”¨ã€‚ä¸?è¿‡ï¼Œä½ å?¯é€šè¿‡ sysctl MIBï¼Œæš‚æ—¶è®© gmirror ç»•è¿‡è¿™ä¸ªç‰¹æ€§ï¼Œä»Žè€Œåˆ›å»ºé•œåƒ?/å?Œå·¥ã€‚ </p>
<p>ã€€ã€€# sysctl kern.geom.debugflags=16 <br />ã€€ã€€kern.geom.debugflags: 0 -&gt; 16 </p>
<p>ã€€ã€€ä¸?ç”¨æ‹…å¿ƒï¼Œç³»ç»Ÿé‡?å?¯å?Ž(æ•°åˆ†é’Ÿå?Žçš„äº‹)ï¼Œè¯¥ MIB å°†å¤?ä½?ä¸º 0ã€‚å†?æ?¥ä¸€æ¬¡ï¼š </p>
<p>ã€€ã€€# gmirror label -v -b round-robin gm0 /dev/ad0 <br />ã€€ã€€Metadata value stored on /dev/ad0 </p>
<p>ã€€ã€€å°±è¿™æ ·ï¼ŒRAID 1 é…?ç½®å‘Šæˆ?ã€‚ </p>
<p>ã€€ã€€æˆ‘ä»¬æœ‰å¿…è¦?è®©æ“?ä½œç³»ç»Ÿæ¯?æ¬¡é‡?å?¯æ—¶è‡ªåŠ¨è£…è½½ RAIDã€‚è¿™éœ€è¦?ä¿®æ”¹ä¸¤ä¸ªæ–‡ä»¶ã€‚ç¬¬ä¸€ä¸ªæ–‡ä»¶å½“å‰?æ˜¯ç©ºçš„ï¼Œç”¨ echo åˆ›å»ºå?³å?¯ï¼š </p>
<p>ã€€ã€€# echo geom_mirror_load=&#8221;YES&#8221; &gt; /boot/loader.conf </p>
<p>ã€€ã€€ç¬¬äºŒä¸ªæ–‡ä»¶ /etc/fstab ä¸?æ˜¯ç©ºçš„ï¼Œæ‰€ä»¥æˆ‘å»ºè®®åœ¨ä¿®æ”¹å‰?å?šä¸ªå¤‡ä»½ï¼š </p>
<p>ã€€ã€€# cp /etc/fstab /etc/fstab.orig <br />ã€€ã€€# vi /etc/fstab </p>
<p>ã€€ã€€å°†æ‰€æœ‰ ad æ”¹ä¸º gmï¼Œåœ¨ /dev å?Žæ?’å…¥ mirrorã€‚æ¯”å¦‚å°† /dev/ad0s1a æ”¹ä¸º /dev/mirror/gm0s1aã€‚å¦‚æžœæ²¡æœ‰åˆ›å»ºåˆ«çš„åˆ†åŒºï¼Œä½ ä¼šçœ‹åˆ°ä»¥ a, b, d, e å’Œ f ç»“å°¾çš„äº”ä¸ª ad0s1 åˆ†åŒºï¼›ä½ éœ€è¦?é€?ä¸€ä¿®æ”¹ã€‚ </p>
<p>ã€€ã€€ä¿®æ”¹å®Œæ¯•å?Žï¼Œå†?ä»”ç»†æ£€æŸ¥å¯¹ /etc/fstab å?Š /boot/loader.conf ä½œå‡ºçš„æ›´æ”¹ã€‚è™½è¯´äº‹å?Žå?¯ä»¥ä¿®æ­£ï¼Œä½†æ˜¯å› æ•²é”™ä¸€ä¸ªå­—è€Œä¸?èƒ½å?¯åŠ¨æ–°çš„ç³»ç»Ÿæ˜¯å¾ˆçƒ¦çš„äº‹ã€‚ </p>
<p>ã€€ã€€æ³¨ï¼šæœ‰äº›æ•™ç¨‹è¯´è¿‡éœ€è¦?åœ¨ /etc/rc.conf ä¸­åŠ å…¥ swapoff é€‰é¡¹ã€‚çŽ°å·²æ²¡å¿…è¦?ã€‚å?Œæ ·åœ°ï¼Œæ²¡å¿…è¦?å°† shutdown -r now å½“æˆ? reboot æ?¥ç”¨ã€‚ </p>
<p>ã€€ã€€ç¡®å®šæ²¡æœ‰é”™è¯¯ä¹‹å?Žï¼Œå?–å‡ºå®‰è£…ç›˜å?Žï¼ŒæŒ‰ä¸‹ Alt+F1 é€€å‡ºå®‰è£…è?œå?•ã€‚ </p>
<p>å?¯ç”¨é•œåƒ?/å?Œå·¥ </p>
<p>ã€€ã€€è‹¥ä½ æ³¨æ„?çœ‹å?¯åŠ¨ä¿¡æ?¯ï¼Œåœ¨ç³»ç»Ÿè¯»å‡ºç£?ç›˜ä¿¡æ?¯å?Žï¼Œä½ åº”çœ‹åˆ°ä»¥ç™½è‰²ç²—ä½“å­—æ˜¾ç¤ºçš„ä¿¡æ?¯ï¼š </p>
<p>ã€€ã€€GEOM_MIRROR: Device gm0 created (id=2125638583). <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad0 detected. <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad0 activated. <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider mirror/gm0 launched. <br />ã€€ã€€GEOM_MIRROR: Device gm0 already configured. <br />ã€€ã€€Mounting root from ufs:/dev/mirror/gm0s1a </p>
<p>ã€€ã€€ç³»ç»Ÿå?¯åŠ¨è¿˜åœ¨ç»§ç»­ã€‚ä¸?è¿‡ï¼Œè‹¥åœ¨ /etc/fstab æ•²é”™äº†ä¸€ä¸ªå­—ï¼Œå?¯åŠ¨è¿‡ç¨‹å°†å°±æ­¤å?œæ­¢å¹¶ç­‰å¾…ä½ è¾“å…¥æ­£ç¡®çš„ä¿¡æ?¯ã€‚åœ¨ä¸‹é?¢ä¾‹å­?ä¸­ï¼Œæˆ‘åœ¨ä¿®æ”¹ /etc/fstab æ—¶å¿˜äº†æ?’å…¥ mirror ä¸€è¯?ï¼Œå?³å°†æœ¬åº”ä¸º /dev/mirror/gm0s1a çš„è¯¯ä½œ /dev/gm0s1aï¼Œè¿™æ ·ï¼ŒFreeBSD ä¾¿ä¸?èƒ½æ‰¾åˆ°æˆ‘çš„æ ¹æ–‡ä»¶ç³»ç»Ÿã€‚ </p>
<p>ã€€ã€€Mounting root from ufs:/dev/gm0s1a <br />ã€€ã€€setrootbyname failed <br />ã€€ã€€ffs_mountroot: can&#8217;t find rootvp <br />ã€€ã€€Root mount failed: 6 <br />ã€€ã€€ <br />ã€€ã€€Manual root filesystem specification: <br />ã€€ã€€&nbsp; &lt;fstype&gt;:&lt;device&gt;&nbsp; Mount &lt;device&gt; using filesystem &lt;fstype&gt; <br />ã€€ã€€&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; e.g. ufs:da0s1a <br />ã€€ã€€&nbsp; ?&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;List valid disk boot devices <br />ã€€ã€€&nbsp; &lt;empty line&gt;&nbsp; &nbsp; &nbsp; &nbsp;Abort manual input <br />ã€€ã€€ <br />ã€€ã€€mountroot&gt; </p>
<p>ã€€ã€€æ‰€å¹¸çš„æ˜¯ï¼Œå®ƒå¹¶ä¸?æ˜¯çœ‹èµ·æ?¥é‚£ä¹ˆå?¯æ€•ã€‚å?¯ä»¥ä»Žåˆ—å‡ºæœ‰æ•ˆçš„å?¯åŠ¨åˆ†åŒºå…¥æ‰‹å¤„ç?†æ•…éšœï¼š </p>
<p>ã€€ã€€mountroot&gt; ? <br />ã€€ã€€ <br />ã€€ã€€List of GEOM managed disk devices: <br />ã€€ã€€&nbsp; mirror/gm0s1f mirror/gm0s1e mirror/gm0s1d mirror/gm0s1c mirror/gm0s1b  <br />ã€€ã€€mirror/gm0s1a mirror/gm0s1 ad2s1 mirror/gm0 ad0s1 ad2 acd0 ad0 fd0 </p>
<p>ã€€ã€€è‹¥ä½ æ­£ç¡®è¾“å…¥ / æ–‡ä»¶ç³»ç»Ÿçš„ä½?ç½®ï¼Œå®ƒå°†ç»§ç»­å?¯åŠ¨(bootï¼ŒåŽŸæ–‡è¯¯ä½œ reboot)ä¸‹åŽ»ã€‚ </p>
<p>ã€€ã€€mountroot&gt; ufs:/dev/mirror/gm0s1a <br />ã€€ã€€Mounting root from /dev/mirror/gm0s1a <br />ã€€ã€€ <br />ã€€ã€€ç™»å…¥ä¹‹å?Žï¼Œå…ˆæ›´æ­£ /etc/fstab çš„è¯¯å¤„å¹¶é‡?æ–°å?¯åŠ¨ã€‚æ­£å¸¸å?¯åŠ¨ä¸”æˆ?åŠŸç™»å…¥å?Žï¼Œé”®å…¥ä»¥ä¸‹å‘½ä»¤ç¡®å®šé•œåƒ?çš„æ¯?ä¸ªåˆ†åŒºå·²è¢«æˆ?åŠŸåŠ è½½ã€‚ </p>
<p>ã€€ã€€% df -h <br />ã€€ã€€Filesystem&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Size&nbsp; &nbsp; Used&nbsp; &nbsp; Avail&nbsp; &nbsp; Capacity&nbsp; &nbsp; Mounted on <br />ã€€ã€€/dev/mirror/gm0s1a&nbsp; &nbsp; 248M&nbsp; &nbsp; &nbsp;35M&nbsp; &nbsp; &nbsp;193M&nbsp; &nbsp; &nbsp; &nbsp;15%&nbsp; &nbsp; &nbsp; &nbsp; / <br />ã€€ã€€devfs&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1.0K&nbsp; &nbsp; 1.0K&nbsp; &nbsp; &nbsp; &nbsp;0B&nbsp; &nbsp; &nbsp; 100%&nbsp; &nbsp; &nbsp; &nbsp; /dev <br />ã€€ã€€/dev/mirror/gm0s1e&nbsp; &nbsp; 248M&nbsp; &nbsp; &nbsp;12K&nbsp; &nbsp; &nbsp;228M&nbsp; &nbsp; &nbsp; &nbsp; 0%&nbsp; &nbsp; &nbsp; &nbsp; /tmp <br />ã€€ã€€/dev/mirror/gm0s1f&nbsp; &nbsp; 7.3G&nbsp; &nbsp; &nbsp;99M&nbsp; &nbsp; &nbsp;6.7G&nbsp; &nbsp; &nbsp; &nbsp; 1%&nbsp; &nbsp; &nbsp; &nbsp; /usr <br />ã€€ã€€/dev/mirror/gm0s1d&nbsp; &nbsp; 248M&nbsp; &nbsp; 196K&nbsp; &nbsp; &nbsp;228M&nbsp; &nbsp; &nbsp; &nbsp; 0%&nbsp; &nbsp; &nbsp; &nbsp; /var </p>
<p>ã€€ã€€df ä¸?æ˜¾ç¤ºäº¤æ?¢åˆ†åŒºçš„ä¿¡æ?¯ï¼Œå?¯ä»¥ç”¨ä»¥ä¸‹å‘½ä»¤æ ¸å®žï¼š </p>
<p>ã€€ã€€% swapinfo <br />ã€€ã€€Device&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1K-blocks&nbsp; &nbsp; Used&nbsp; &nbsp; Avail&nbsp; &nbsp; Capacity <br />ã€€ã€€/dev/mirror/gm0s1b&nbsp; &nbsp; &nbsp; &nbsp;629544&nbsp; &nbsp; &nbsp; &nbsp;0&nbsp; &nbsp;629544&nbsp; &nbsp; &nbsp; &nbsp; 0% </p>
<p>å?Œæ­¥é•œåƒ?/å?Œå·¥ </p>
<p>ã€€ã€€å‰©ä¸‹çš„äº‹å°±æ˜¯å?Œæ­¥ä¸¤å?—ç¡¬ç›˜çš„æ•°æ?®äº†ã€‚å?ªè¦?é”®å…¥å?‘é•œåƒ?æ?’å…¥ç¬¬äºŒå?—ç¡¬ç›˜çš„å‘½ä»¤ï¼Œæ•°æ?®å?Œæ­¥å°†è‡ªåŠ¨è¿›è¡Œã€‚ </p>
<p>ã€€ã€€# gmirror insert gm0 /dev/ad2 <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad2 detected. <br />ã€€ã€€GEOM_MIRROR: Device gm0: rebuilding provider ad2. </p>
<p>ã€€ã€€çœ‹çœ‹è¿›å±•å¦‚ä½•ï¼š </p>
<p>ã€€ã€€# gmirror list | more <br />ã€€ã€€Geom name: gm0 <br />ã€€ã€€State: DEGRADED <br />ã€€ã€€Components: 2 <br />ã€€ã€€Balance: round-robin <br />ã€€ã€€Slice: 4096 <br />ã€€ã€€Flags: NONE <br />ã€€ã€€GenID: 0 <br />ã€€ã€€SyncID: 1 <br />ã€€ã€€ID: 2125638583 <br />ã€€ã€€Providers: <br />ã€€ã€€1. Name: mirror/gm0 <br />ã€€ã€€&nbsp; &nbsp;Mediasize: 10262568448 (9.6G) <br />ã€€ã€€&nbsp; &nbsp;Sectorsize: 512 <br />ã€€ã€€&nbsp; &nbsp;Mode: r6w5e2 <br />ã€€ã€€Consumers: <br />ã€€ã€€1. Name: ad0 <br />ã€€ã€€&nbsp; &nbsp;Mediasize: 10262568448 (9.6G) <br />ã€€ã€€&nbsp; &nbsp;Sectorsize: 512 <br />ã€€ã€€&nbsp; &nbsp;Mode: r1w1e1 <br />ã€€ã€€&nbsp; &nbsp;State: ACTIVE <br />ã€€ã€€&nbsp; &nbsp;Priority: 0 <br />ã€€ã€€&nbsp; &nbsp;Flags: DIRTY <br />ã€€ã€€&nbsp; &nbsp;GenID: 0 <br />ã€€ã€€&nbsp; &nbsp;SyncID: 1 <br />ã€€ã€€&nbsp; &nbsp;ID: 3986018406 <br />ã€€ã€€2. Name: ad2 <br />ã€€ã€€&nbsp; &nbsp;Mediasize: 10262568448 (9.6G) <br />ã€€ã€€&nbsp; &nbsp;Sectorsize: 512 <br />ã€€ã€€&nbsp; &nbsp;Mode: r1w1e1 <br />ã€€ã€€&nbsp; &nbsp;State: SYNCHRONIZING <br />ã€€ã€€&nbsp; &nbsp;Priority: 0 <br />ã€€ã€€&nbsp; &nbsp;Flags: DIRTY, SYNCHRONIZING <br />ã€€ã€€&nbsp; &nbsp;GenID: 0 <br />ã€€ã€€&nbsp; &nbsp;SyncID: 1 <br />ã€€ã€€&nbsp; &nbsp;Synchronized: 1% <br />ã€€ã€€&nbsp; &nbsp;ID: 1946262342 </p>
<p>ã€€ã€€æ³¨æ„?çœ‹ Flags è¡Œä¸Šçš„ SYNCHRONIZING å­—çœ¼ã€‚è¿™ä¸¤å?—ç¡¬ç›˜çš„æ•°æ?®è¦?å?Œæ­¥éœ€è¦?ä¸€äº›æ—¶é—´ï¼Œå¦‚å½“å‰?æ‰€ç¤ºæ‰?ä¸€ä¸ªç™¾åˆ†ç‚¹ã€‚æ?®æˆ‘æ‰€çŸ¥ï¼Œ10GB çš„ç¡¬ç›˜å¤§çº¦éœ€æ—¶ 30 åˆ†é’Ÿï¼Œ75GB çš„çº¦éœ€ä¸¤ä¸ªå?Šå°?æ—¶ã€‚è‹¥ä½ è§‰å¾—å¥½å¥‡ï¼ŒæŸ¥æŸ¥è¿›åº¦ï¼š </p>
<p>ã€€ã€€# gmirror status <br />ã€€ã€€Name&nbsp; &nbsp; Status&nbsp; &nbsp; Components <br />ã€€ã€€mirror/gm0&nbsp; &nbsp; DEGRADED&nbsp; &nbsp; ad0 <br />ã€€ã€€&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ad2 (2%) </p>
<p>ã€€ã€€æ•°æ?®å?Œæ­¥å®Œæ¯•å?Žï¼Œä½ å°†çœ‹åˆ°ä»¥ç™½è‰²ç²—ä½“å­—æ˜¾ç¤ºçš„ç³»ç»Ÿä¿¡æ?¯ï¼š </p>
<p>ã€€ã€€GEOM_MIRROR: Device gm0: rebuilding provider ad2 finished. <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad2 activated. </p>
<p>ã€€ã€€è‹¥å†?æ¬¡è¾“å…¥ gmirror listï¼Œä½ ä¼šçœ‹åˆ° State (çŠ¶æ€?) å·²ä»Ž DEGRADED (å·²é™?çº§) å?˜æˆ? COMPLETE (å®Œæ¯•)ï¼ŒSynchronized (å·²å?Œæ­¥) ä¸€è¡Œå·²ä¸?è§?äº†ã€‚è‹¥åœ¨ Flags è¡Œä¸Šçœ‹åˆ° DIRTY (ä¸?å¹²å‡€) å­—çœ¼ï¼Œä¸?ç”¨æ‹…å¿ƒï¼›é‚£ä»…è¡¨ç¤ºç³»ç»Ÿå·²å†™å…¥æ–°çš„æ•°æ?®ä½†å°šæœªå®Œæˆ?é•œå°„ã€‚è‹¥ä½ åœ¨ç£?ç›˜å¹³é?™ä¸‹æ?¥å?Žç­‰æ•°ç§’é’Ÿï¼Œåˆ™ä½ å°†ä¼šçœ‹åˆ° Flags è¡Œå?˜æˆ?äº† NONE (æ— )ã€‚ </p>
<p>ã€€ã€€é‡?å?¯ç³»ç»Ÿï¼Œæœ€å?Žæ£€æŸ¥ä¸€ä¸‹ã€‚ </p>
<p>ã€€ã€€è¿™å›žå?¯åŠ¨ä¿¡æ?¯åº”åŒ…å?«ä»¥ä¸‹è¿™äº›ï¼š </p>
<p>ã€€ã€€GEOM_MIRROR: Device gm0 created (id=2125638583). <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad0 detected. <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad2 detected. <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad0 activated. <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider ad2 activated. <br />ã€€ã€€GEOM_MIRROR: Device gm0: provider mirror/gm0 launched. <br />ã€€ã€€Mounting root from ufs:/dev/mirror/gm0s1a <br />ã€€ã€€ <br />ç»“è¯­ </p>
<p>ã€€ã€€GEOM å®žç”¨ç¨‹åº?åœ¨æ—¥ç›Šè¿›æ­¥ï¼Œå®ƒçš„å¼€å?‘è€…ä¸?æ–­åœ°å°†æ–°ç‰¹æ€§å?Šæ›´æ–°ä¸Šä¼ åˆ°ç½‘é¡µåŽ»ã€‚åˆ©ç”¨ cvsup æ›´æ–°ä½ æ‰‹ä¸Šçš„ FreeBSD ç‰ˆæœ¬æˆ–åœ¨å†³å®šå®‰è£… FreeBSD æ—¶é€‰ç”¨æœ€æ–°çš„ç‰ˆæœ¬æ˜¯å¾ˆé‡?è¦?çš„ã€‚ </p>
<p>ã€€ã€€è‹¥ä½ æƒ³å?–å¾—é•œåƒ?/å?Œå·¥çš„æ€§èƒ½æ•°æ?®ï¼Œç”¨ gstat(8)ã€‚é€šè¯» gmirror(8) çš„è¯´æ˜Žæ–‡å­—ä¹Ÿæ˜¯å€¼å¾—å€¡è®®çš„ï¼Œç‰¹åˆ«æ˜¯åœ¨ä½ æƒ³äº†è§£å¦‚ä½•æ›´æ?¢ä¸€å?—å??ç¡¬ç›˜çš„æƒ…å†µä¸‹ã€‚</p>
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		<link>http://flymeteor.wordpress.com/2005/12/20/%e6%af%8f%e5%a4%a9%e5%a4%87%e4%bb%bd-mysql-%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e8%84%9a%e6%9c%ac/</link>
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		<pubDate>Tue, 20 Dec 2005 12:48:47 +0000</pubDate>
		<dc:creator>flymeteor</dc:creator>
				<category><![CDATA[Shell Scripts]]></category>

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		<description><![CDATA[#!/bin/sh cd /home/mysql-backup rm alldb.5.tar.gz -f mv alldb.4.tar.gz alldb.5.tar.gz&#62;/dev/null 2&#62;&#38;1 mv alldb.3.tar.gz alldb.4.tar.gz&#62;/dev/null 2&#62;&#38;1 mv alldb.2.tar.gz alldb.3.tar.gz&#62;/dev/null 2&#62;&#38;1 mv alldb.1.tar.gz alldb.2.tar.gz&#62;/dev/null 2&#62;&#38;1 mv alldb.0.tar.gz alldb.1.tar.gz&#62;/dev/null 2&#62;&#38;1 tar zcf alldb.0.tar.gz alldb.sql&#62;/dev/null 2&#62;&#38;1 rm alldb.sql -f mysqldump --all-databases --opt -ppassword&#62;alldb.sql ä¸Šé?¢çš„æœ€å?Žä¸€å?¥è¯?ä¸­ -ppassword çš„ password è¡¨ç¤º root å¸?å?·çš„å¯†ç ?ï¼ŒæŠŠå®ƒæ”¹ä¸ºä½ è‡ªå·±çš„æ•°æ?®åº“çš„ root å¸?å?·å¯†ç ?å°±å?¯ä»¥äº†ï¼Œæˆ–è€…ä½ å?¯ä»¥ä¸“é—¨å»ºç«‹ä¸€ä¸ªç”¨æ?¥å¤‡ä»½çš„ç”¨æˆ·æ?¥ä»£æ›¿ root å¸?å?·ã€‚å?¦å¤–ï¼Œä½ è¦?ä¿?è¯? /home/mysql-backup ç›®å½•æ˜¯å­˜åœ¨çš„ã€‚æœ€å?ŽæŠŠè¿™ä¸ªè„šæœ¬å±žæ€§æ”¹ä¸º 755ï¼Œå±žä¸»æ˜¯ root.rootï¼Œæ”¾åœ¨ /etc/cron.daily ç›®å½•ä¸‹å°±å?¯ä»¥æ¯?å¤©å¤‡ä»½ä¸€æ¬¡æ•°æ?®åº“äº†ï¼Œå¹¶ä¸”ä»¥ä¸€ä¸ªæ˜ŸæœŸä¸ºå‘¨æœŸè¿›è¡Œå¾ªçŽ¯ã€‚ [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=flymeteor.wordpress.com&amp;blog=8391&amp;post=31&amp;subd=flymeteor&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><code><br />
#!/bin/sh<br />
cd /home/mysql-backup<br />
rm alldb.5.tar.gz -f<br />
mv alldb.4.tar.gz alldb.5.tar.gz&gt;/dev/null 2&gt;&amp;1<br />
mv alldb.3.tar.gz alldb.4.tar.gz&gt;/dev/null 2&gt;&amp;1<br />
mv alldb.2.tar.gz alldb.3.tar.gz&gt;/dev/null 2&gt;&amp;1<br />
mv alldb.1.tar.gz alldb.2.tar.gz&gt;/dev/null 2&gt;&amp;1<br />
mv alldb.0.tar.gz alldb.1.tar.gz&gt;/dev/null 2&gt;&amp;1<br />
tar zcf alldb.0.tar.gz alldb.sql&gt;/dev/null 2&gt;&amp;1<br />
rm alldb.sql -f<br />
mysqldump --all-databases --opt -ppassword&gt;alldb.sql<br />
</code><br />
ä¸Šé?¢çš„æœ€å?Žä¸€å?¥è¯?ä¸­ -ppassword çš„ password è¡¨ç¤º root å¸?å?·çš„å¯†ç ?ï¼ŒæŠŠå®ƒæ”¹ä¸ºä½ è‡ªå·±çš„æ•°æ?®åº“çš„ root å¸?å?·å¯†ç ?å°±å?¯ä»¥äº†ï¼Œæˆ–è€…ä½ å?¯ä»¥ä¸“é—¨å»ºç«‹ä¸€ä¸ªç”¨æ?¥å¤‡ä»½çš„ç”¨æˆ·æ?¥ä»£æ›¿ root å¸?å?·ã€‚å?¦å¤–ï¼Œä½ è¦?ä¿?è¯? /home/mysql-backup ç›®å½•æ˜¯å­˜åœ¨çš„ã€‚æœ€å?ŽæŠŠè¿™ä¸ªè„šæœ¬å±žæ€§æ”¹ä¸º 755ï¼Œå±žä¸»æ˜¯ root.rootï¼Œæ”¾åœ¨ /etc/cron.daily ç›®å½•ä¸‹å°±å?¯ä»¥æ¯?å¤©å¤‡ä»½ä¸€æ¬¡æ•°æ?®åº“äº†ï¼Œå¹¶ä¸”ä»¥ä¸€ä¸ªæ˜ŸæœŸä¸ºå‘¨æœŸè¿›è¡Œå¾ªçŽ¯ã€‚ å¦‚æžœå†?åŠ ä¸Šå?Œæœºå¤‡ä»½ï¼Œå°†ä¼šæ›´ä¿?é™©ã€‚</p>
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