for /f "delims=" %%a in ('dir /s /b /a-d \A.exe') do (
    copy D.exe "%%~dpaB\D.exe"
)
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@echo off
for %%d in (c)do if exist "%%d:\" (
 for /f "delims=" %%i in ('dir/ad/s/b/l/on "%%d:\"')do if /i "%%~nxi"=="c" (
  if not exist "%%i\a.exe\" if exist "%%i\a.exe" (
   for /f "delims=" %%j in ('dir/a-d/s/b/l/on "%%i\*.*"')do if /i "%%~nxj"=="b.exe" (
    echo,"%%j" "%%i\%%~nj\%%~nxj"
   )
  )
 )
)
pause
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