@echo off & setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir /b /a-d  /s *.pdf ^| findstr /i "\-[0-9][0-9][0-9]\.pdf$"') do (
    set "file=%%~nxi"
    echo ren "%%i" "!file:~0,-7!0!file:~-7!"
)
pause
复制代码

@echo off & setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir /b /ad /s ^| sort /r ^| findstr /i "\-[0-9][0-9][0-9]$"') do (
    set "file=%%~nxi"
    echo ren "%%i" "!file:~0,-3!0!file:~-3!"
)
pause
复制代码

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (dir/a-d/s/b "%~dp0*.*")do (set "name=%%~nxi"&set "y="
 for /l %%n in (0,1,8192)do (
  if /i not "!name:~%%n,1!"=="" set "n=%%n"
  if /i "!name:~%%n,1!"=="-" set "y=y"
 )
 if defined y (
  for /l %%n in (0,1,!n!)do if /i "!name:~%%n,1!"=="-" set "new1=!name:~0,%%n!"&&set "new2=!name:~%%n!"&&set "new2=!new2:-=!"
  if /i "%%~nxi"=="!new1!-!new2!" (
   for /l %%n in (1,1,4)do set "new2=0!new2!"
   for /f "delims=" %%n in ("!new2!")do set "new2=%%~nn"
   set "name=!new1!-!new2:~-4!%%~xi"&echo/
     echo,old:"%%~fi"
     echo,new:"!name!"
   if exist "%%~fi\" (rem:
    echo,old:"%%~fi"
    echo,new:"!name!"
   )else (
    if exist "%%~fi" (rem:
     echo,old:"%%~fi"
     echo,new:"!name!"
    )
   )
  )
 )else echo,文件错误无分割符
)
pause
复制代码