猜数字
shell随机数：写一个猜数字脚本，数字范围是1-100，定制计数器，每次猜完都要告诉用户猜大或猜小了，如果猜对了跳出脚本并输出计数器的值
!/bin/bash
Description:
Author: Bai Shuming
Created Time: 2019/05/29 05:46
随机猜数字
num=echo $((RANDOM%100+1))
count=1
echo -n "请输入一个数字: "
read num1
if [ num1 ];then
echo "对了，随机数字是:count次"
elif [ num1 ];then
echo "小了，继续"
let count++
else
echo "大了,继续"
let count++
fi
while [ num1 ]
do
echo -n "请输入一个数字: "
read num1
if [ num1 ];then
echo "对了，随机数字是:count次"
elif [ num1 ];then
echo "小了，继续"
let count++
else
echo "大了,继续"
let count++
fi
done
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