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

来自为知笔记(Wiz)