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<title><![CDATA[ 比较实用的sed命令总结]]></title> 
<author>刘新修 &lt;admin@yourname.com&gt;</author>
<category><![CDATA[Linux/Unix]]></category>
<pubDate>Wed, 12 Nov 2014 15:33:18 +0000</pubDate> 
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	<p>比较实用的sed命令总结</p><div class="codeText"><div class="codeHead">C#代码</div><ol start="1" class="dp-c"><li class="alt"><span><span>sed&nbsp;&nbsp;&nbsp;</span><span class="string">'/^&#92;/opt&#92;//!&nbsp;&nbsp;s/^.*$/&#92;/home&#92;/admin&#92;/mydoc&amp;/'</span><span>&nbsp;&nbsp;&nbsp;&nbsp;file&nbsp;&nbsp;</span></span></li><li><span>sed&nbsp;-i&nbsp;<span class="string">'/^http:&#92;/&#92;//!&nbsp;&nbsp;s/^&#92;/&#92;//&#92;/home&#92;/admin&#92;/mydoc&amp;/'</span><span>&nbsp;1.txt&nbsp;（在//之前追加）&nbsp;&nbsp;</span></span></li><li class="alt"><span>sed&nbsp;-i&nbsp;<span class="string">'/^http:&#92;/&#92;//!&nbsp;&nbsp;s/^&#92;/&#92;///g'</span><span>&nbsp;1.txt&nbsp;（不是以http://打头的删除//）&nbsp;&nbsp;</span></span></li><li><span>sed&nbsp;-i&nbsp;<span class="string">'/http:&#92;/&#92;//!&nbsp;&nbsp;s/&#92;/&#92;/.*//g'</span><span>&nbsp;1.txt&nbsp;（非常强大，无论是首行还是中间都删除//.*）&nbsp;&nbsp;</span></span></li><li class="alt"><span>&nbsp;&nbsp;</span></li><li><span>要求把含有冒号的连续的多行合并成一行，以空格分割（用于合并CSS写成一行）：&nbsp;&nbsp;</span></li><li class="alt"><span>sed&nbsp;<span class="string">'/:/&#123;:a;N;/&#92;n[^:]*$/!&#123;$!ba&#125;;s/&#92;n&#92;([^:]*:&#92;)/&nbsp;&#92;1/g&#125;'</span><span>&nbsp;2.txt&nbsp;&nbsp;</span></span></li><li><span>删除以#打头的内容&nbsp;&nbsp;</span></li><li class="alt"><span>sed&nbsp;-i&nbsp;<span class="string">&quot;s/#.*//g&quot;</span><span>&nbsp;1.txt&nbsp;&nbsp;</span></span></li></ol></div><p>&nbsp;</p>
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<pubDate>Thu, 01 Jan 1970 00:00:00 +0000</pubDate> 
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