[文件操作] [已解决]大神求救!!! mac地址验证批处理

@echo off
set info=互助互利,支付宝扫码头像,感谢赞助
rem 有问题,可加QQ956535081及时沟通
title %info%
for /f %%a in ('type "%~f0"') do set "last=%%a"
if "%last%" equ "exit" (
    (echo;&for /f "skip=3" %%a in ('getmac') do echo;%%a)>>"%~f0"
    goto end
)
set "f="
for /f "skip=3" %%a in ('getmac') do (findstr /b "%%a" "%~f0"&&set f=1)
if not defined f (goto end)
echo;此处开始为mac相同时要执行的代码
:end
echo;%info%
pause
exit
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