2014
07-21
07-21
shell字符串操作awk|cut|sed
1.grep 提取行命令
[crayon-5fc1d6bb20374313680941/]
这些行都包含ad ，grep是提取行的
1.cut 提取列命令
[crayon-5fc1d6bb2037c500980168/]
[crayon-5fc1d6bb2037f564113547/]
[crayon-5fc1d6bb203811126701....
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