2014
07-21
07-21
shell字符串操作awk|cut|sed
1.grep 提取行命令
[crayon-6a5191365595d601396726/]
这些行都包含ad ，grep是提取行的
1.cut 提取列命令
[crayon-6a51913655964578524699/]
[crayon-6a51913655966423894157/]
[crayon-6a519136559687150837....
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