函數_執行個體2_計算機

標籤：shell

#!/bin/bashcompute(){        if [ $# != 3 ];then                echo "Your input num is not enough!"        fi        let "s=0"        case $2 in                +)                        let "s=$1+$3"                        echo "answer is: $s"                        ;;                -)                        let "s=$1-$3"                        echo "answer is: $s"                        ;;                \*)                        let "s=$1*$3"                        echo "answer is: $s"                        ;;                \/)                        let "s=$1%$3"                        echo "answer is: $s"                        ;;                *)                        echo "your input is wrong!"                        ;;        esac}echo  "Pls,input like this: 2 + 3"echo ""read a b ccompute $a $b $c[[email protected] test]# ./fun3.sh 2 + 3Pls,input like this: 2 + 33 + 3answer is: 6

本文出自 “8176010” 部落格，謝絕轉載！