shell编程入门

1. 基础篇

https://www.cnblogs.com/yuyangphpweibo/p/7889801.html

 

2.if判断

http://www.cnblogs.com/image-eye/archive/2011/08/20/2147015.html

 

3.date命令

https://blog.csdn.net/runming918/article/details/7223520

 

4.sed命令

https://blog.csdn.net/loame_zyq/article/details/79895423

 

5.grep命令

https://www.cnblogs.com/1204guo/p/6934873.html

 

6.awk命令

http://www.zsythink.net/archives/1336/

 

7.括号的作用

https://mp.weixin.qq.com/s/TSSINWaQTdxrSBdF1vA5Vg

 

8.正则表达式

http://www.runoob.com/regexp/regexp-syntax.html