Shell进阶脚本(全集)

1.内部变量

https://www.jianshu.com/p/04cf583a5b9b

2.变量类型标注：declare 与 typeset

https://www.jianshu.com/p/ef18c13768cc

3. 生成随机数( $RANDOM )

https://www.jianshu.com/p/d5f32e37a242

4. 字符串处理

https://www.jianshu.com/p/e85ce7f97528

5. 参数替换

https://www.jianshu.com/p/e890008c6c0b

6. 循环与分支

https://www.jianshu.com/p/d01b30b410ad

7. 命令替换

https://www.jianshu.com/p/3054a5fdb3dd