中国DOS联盟

@echo off

set mypath=E:

if not exist "%mypath%\合并" (

  md "%mypath%\合并"

)

for /f "tokens=*" %%a in ('dir /s /b /ad "%mypath%"') do (

  if "%%a" neq "%mypath%\合并" (

    for /f "tokens=*" %%b in ('dir /s /b /a-d "%%a" 2^>nul') do (

      if exist "%mypath%\合并\%%~nxb" (

        ren "%mypath%\合并\%%~nxb" "%%~nb.old%%~xb">nul 2>nul

      )

      move "%%b" "%mypath%\合并">nul 2>nul

    )

  )

)