zaqmlp

@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%
set "folder=C:\pdf"
if not exist "%folder%" (echo;"%folder%" no found&goto end)
set n=0
for /f "delims=" %%a in ('dir /a-d/b "%folder%\*.pdf" 2^>nul') do set /a n+=1
:loop
set m=0
for /f "delims=" %%a in ('dir /a-d/b "%folder%\*.pdf" 2^>nul') do set /a m+=1
if %m% gtr %n% (goto jump)
:back
set n=%m%
>nul ping /n 3 0
goto loop
:jump
echo;执行后面的命令
goto back
:end
echo;%info%
pause
exit
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