Shell命令_case
语法:
case "变量" in
"变量1")
...
;; #输出两个分号
"变量2")
...
;; #输出两个分号
"变量3")
...
;; #输出两个分号
*)
...
;; #输出两个分号
esac
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | #!/bin/bash # Author:James 2016-10-15 echo "want to output a,input 1:" echo "want to output b,input 2:" echo "want to output c,input 3:" read -t 30 -p "please input your digit:" digit case "$digit" in "1" ) echo "output a" #输出两个分号 ;; "2" ) echo "output b" ;; "3" ) echo "output c" ;; *) #其它输入 echo "output error,please input 1/2/2" ;; esac |