cjiabing

@echo off 
del ~#>nul 2>nul
start /b "" cmd /k "pause&cd.>~#&exit/b"

set n=0

:1
if exist ~# goto 2
set /a n+=1
echo %n%
goto 1


:2
echo OVER
pause
del ~#>nul 2>nul
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cjiabing

试了个新方法，不过严重影响主进程效率~

@echo off 
title try
start /b "" cmd /c "pause&title Pause&exit/b"


set n=0

:1
set /a n+=1
echo %n%
for /f %%a in ('tasklist /fi  "WINDOWTITLE eq Pause" /nh') do if not "%%a"=="" goto 2
goto 1


:2
echo OVER
pause
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