@Echo Off&Color 0e

((if exist "%~f1\" (cd/d "%~f1")else cd/d "%~dp1")||cd/d "%~dp0") 2>nul
echo,执行目录包含子目录:%cd%
pause
call:1 ".jpg"
echo,任意键退出
pause&exit
:1
for /f "delims=" %%i in ('dir/a-d/s/b ".\*%~x1"')do if exist "%%~fi" (
 if not defined %%~dpi (
  set "%%~dpi=y"
  set "delete="
  set "_="
  for /f "delims=" %%j in ('dir/a-d/b "%%~dpi\*%%~xi" 2^>nul')do if /i not "%%~fi"=="%~f0" (
   if not defined delete (
    echo,已过虑:"%%~dpi%%~nxj"
    set/a "_+=1"
    for /f "delims=" %%n in ('call echo,%%_%%')do if %%n geq 3 set "delete=y"
   )else (
    echo,删除中:"%%~dpi%%~nxj"
    del/q "%%~dpi%%~nxj"||(echo,删除失败暂停等待&&pause)
   )
  )
 )
)
goto:eof
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