60 lines
1.5 KiB
Bash
60 lines
1.5 KiB
Bash
#!/bin/bash
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flag=1
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# -e 检测存在性
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if [ -e ~/qfedu-linux-advanced-level/day1/test2 ]; then
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echo "the test dir is exist"
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else
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echo "the test dir is not exist"
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# 等同于 while[ $flag ]
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# do 用于开始 while 循环
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while [ $flag -eq 1 ]
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do
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echo "press y to create the dir,press n to exit"
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read yn
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case $yn in
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y)
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echo "mkdir ~/qfedu-linux-advanced-level/day1/test2"
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mkdir ~/qfedu-linux-advanced-level/day1/test2
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# flag = 0 用于结束 while 循环
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flag = 0
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# ;; 用于结束 case 语句，相当于 break
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;;
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n)
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echo "end operation"
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# exit -1 用于退出脚本，-1 为错误码
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exit -1
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;;
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*)
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echo "your input is error exit"
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echo "please input again"
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flag=1
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;;
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# esac 用于结束 case 语句
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esac
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# done 用于结束 while 循环
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done
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# fi 用于结束 if 语句
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fi
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cd ~/qfedu-linux-advanced-level/day1/test2
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for((i=1 ; i<4 ; i++))
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do
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echo "please input a string, we will create it as a dir"
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read dir_name
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if [ -e $dir_name ]; then
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echo "$i please input other name"
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else
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echo "the $dir_name is created"
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mkdir $dir_name
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break
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fi
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done
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echo "your times is over"
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if [ $i -eq 3 ]; then
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echo "your times is over"
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exit 0
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fi |