2014
07-21
07-21
shell字符串操作awk|cut|sed
1.grep 提取行命令
[crayon-6811c366b84fc908636845/]
这些行都包含ad ，grep是提取行的
1.cut 提取列命令
[crayon-6811c366b8502428092680/]
[crayon-6811c366b8505021058962/]
[crayon-6811c366b85070041200....
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