2014
07-21
07-21
shell字符串操作awk|cut|sed
1.grep 提取行命令
[crayon-69ae959991cde051935574/]
这些行都包含ad ,grep是提取行的
1.cut 提取列命令
[crayon-69ae959991ce3325462967/]
[crayon-69ae959991ce5196468169/]
[crayon-69ae959991ce73249812....
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