Vivian98756 2017-11-18 01:52 采纳率: 100%
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Linux shell script编程

直接上代码

 #!/bin/bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

read -p "input (Y|N):" yn

if [ "$yn" == "Y" ] || [ "$yn" == "y" ] ; then
      echo "OK.good " 
        exit 0
fi

if [ "$yn" == "N" ] || [ "$yn" == "n" ] ; then
     echo "no,it's bad "
       exit 0
fi

echo "i don't know what choice on you" && exit 0


#错误信息
#sh06-2.sh: 7: [: n: unexpected operator
#sh06-2.sh: 7: [: n: unexpected operator
#sh06-2.sh: 12: [: n: unexpected operator
#sh06-2.sh: 12: [: n: unexpected operator
#i don't know what choice on you

我输入的是 n

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1条回答 默认 最新

  • 杯酒难醉A 2017-11-18 02:00
    关注

    代码是没问题的,执行以下dos2unix 【脚本名】

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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