Linux 三剑客之 sed、grep、 awk 实战详解教程

大佬们写的太精髓了，直接传送

sed：

https://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856901.html

https://mp.weixin.qq.com/s/xlQZ5aE7tr3yk-9sHpbabw

grep：

https://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856896.html

https://mp.weixin.qq.com/s/xJsDfuVqv2v3nqda59QN7Q

awk：

https://www.cnblogs.com/ggjucheng/archive/2013/01/13/2858470.html

https://mp.weixin.qq.com/s/4o2raIt1xsNVxGuhh3fXAA