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  • case语句

    case 判断 语句

    #!/bin/bash
    read -p "press some key, then press return:" KEY
    case $KEY in
        [a-z]|[A-Z])
        echo "it is a letter"
        exit 1
        ;;
        [0-9])
        echo "it is a digit"
        exit 1
        ;;
        *)
        echo "it is function keys,Spacebar or other keys."
        exit 1
        ;;    
    esac
    case 嵌套

    #!/bin/bash
    ##相互嵌套
    read -p "果果,告诉妈妈今天想吃什么呀?  (香蕉|苹果|橘子|不想吃):" eat
    case $eat in
        香蕉|苹果|橘子)
        echo "妈妈,我想吃$eat!"
        exit 1
        ;;
        不想吃)
        read -p "那你想喝什么呀?(酸奶|白开水|纯奶|瓶瓶):" drink
        case $drink in
            酸奶|白开水|纯奶|瓶瓶)
            echo "妈妈,我想喝$drink!"
            exit 1
            ;;
        esac
        ;;
        *)
        echo "果果,那你到底想干什么呀,可不可以告诉妈妈呀?"
        exit 1
        ;;
    esac
    
    
    



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  • 原文地址:https://www.cnblogs.com/sxwen/p/7998211.html
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