linux-tutorial/codes/shell/示例脚本/脚本函数/使用全局变量带来的问题.sh

#!/bin/bash

# demonstrating a bad use of variables

function func1 {
    temp=$[ $value + 5 ]
    result=$[ $temp * 2 ]
}

temlp=4
value=6

func1
echo "The result is $result"

if [ $temp -gt $value ]
then
    echo "Temp is larger"
else
    echo "temp is smaller"
fi