1 #!/bin/bash 2 3 ##计算器脚本 4 5 read -p "Please input a number:" num1 6 read -p "Please input a yunsuanfu:" ope 7 read -p "PLease input another number:" num2 8 ##先输入运算符和要运算的数字 9 10 if [ !-z "$num1" -a !-z "$num2" -a -z "$ope" ] 11 then 12 ##判断是否有输入数字和运算符 13 test1=$(echo $num1 | sed 's/[0-9]//g') 14 test2=$(echo $num2 | sed 's/[0-9]//g') 15 ##判断输入的num1和num2是否为数字,运算符是否正确 16 if [-z "$test1" -a -z "$test2" -a -z "$ope" ] 17 then 18 if ["$ope"=="+"];then 19 sum=$(( $num1 + $num2 )) 20 elif ["$ope"=="-"];then 21 sum=$(( $num1 - $num2 )) 22 elif ["$ope"=="*"];then 23 sum=$(( $num1 * $num2 )) 24 elif ["$ope"=="/"];then 25 sum=$(( $num1 / $num2 )) 26 else 27 echo "please input a true ope" 28 exit 10 29 #判断是否是正确的运算符 30 fi 31 else 32 echo "Please input a true num" 33 exit 11 34 fi 35 else 36 echo "qing shu ru nei rong" 37 exit 12 38 fi 39 40 echo "$num1 $ope $num2 = $sum"test.sh: line 10: [: too many argumentsqing shu ru nei rong
1 回答
- 1 回答
- 0 关注
- 1018 浏览
添加回答
举报
0/150
提交
取消