#!/bin/bash

#定义一个变量$num，取出1到100的随机值

num=`echo $((RANDOM%100+1))`
i=1

#输入一个数值($num1)
read -p "please enter integer:" num1

#while循环
while true;do

#使用$num1和$num比较
if [ $num1 -gt $num ];then
echo "The number you entered is too big."
read -p "please enter integer:" num1
elif [ $num1 -lt $num ];then
echo "The number you entered is too small."

#当$num1不等于$num的时候,提示用户重新输入$num1
read -p "please enter integer:" num1
else

#当输入的$num1和$num相同时，输出"You WIN"
echo "You WIN"
break
fi

#依次递增，当$num1和$num不相等时继续循环
let i++
done

#输出你总共输出了多少（$i）次
echo "You tried $i times"

扫描二维码关注公众号，回复： 5228947 查看本文章