vsbat

@echo off
for /f "tokens=3" %%i in ('find /C "Y#PASS" %0') do (set c=%%i)
if %c% GTR 3 (goto :InputPsw) else (echo No Password available ! & goto :SetPsw)


:InputPsw
for /f %%i in ('findstr /E "Y#PASS" %0') do (set psw=%%i)
set psw=%psw:~0,-6%
set /p in=Please Input Password(case sensitive):
if %psw%==%in%  (goto :Login) else (echo Wrong !!!& goto :Inputpsw)


:Login
echo.
echo Login Success ! 
set /p in=do you want to change your Password ?(Y or N)
if %in%==Y  (goto :SetPsw) else (echo Now you are to leave... & pause & goto :Out)


:SetPsw
echo.
set /p in=Please Input your New Password:
echo .>>%0
echo %in%Y#PASS>>%0
echo Set Password OK !
pause
goto :Out


:Out
EXIT
REM  ### ENSURE NEWLINE BELOW ###
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