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


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#!/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






posted @ 2016-11-11 13:44  扯  阅读(14447)  评论(0)  编辑  收藏  举报