shell编程 | 密码检测，三次输入检测机制

#!/bin/bash# 密码检测，三次输入检测机制echo "input passwd:"i=0while [ $i -lt 3 ]doread passwdif [ $passwd = "wq" ]thenecho "密码正确"breakelseecho "密码错误，请重新输入"filet "i+=1"continuedoneif [ $i -eq 3 ]thenecho "错误次数过多，登录

我叫RT

1711人浏览 · 2021-03-18 00:19:29

我叫RT · 2021-03-18 00:19:29 发布

#!/bin/bash

# 密码检测，三次输入检测机制

echo "input passwd:"
i=0
while [ $i -lt 3 ]
do
read passwd
if [ $passwd = "wq" ]
then
	echo "密码正确"
	break
else
	echo "密码错误，请重新输入"
fi
let "i+=1"
continue
done
if [ $i -eq 3 ]
then
	echo "错误次数过多，登录失败"
fi

exit 0