一 case
- #!/bin/bash
- # 测试 case
- echo "Hit a key,then hit return."
- read keypress
- # 开始 case
- case "$keypress" in
- [[:lower:]])
- echo "lowercase letter.";;
- [[:upper:]])
- echo "uppercase letter.";;
- [0-9])
- echo "digit.";;
- *)
- echo "other letter";;
- esac
- ## 收到不同参数, 输出不同结果
来源: http://www.bubuko.com/infodetail-2518209.html