[文件操作] [已解决]批处理如何修改文件和文件夹名中以指定字符分割的最后一部分的内容？

@echo off & setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir /b /a-d  /s *.pdf ^| findstr /i "\-[0-9][0-9][0-9]\.pdf$"') do (
    set "file=%%~nxi"
    echo ren "%%i" "!file:~0,-7!0!file:~-7!"
)
pause
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@echo off & setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir /b /ad /s ^| sort /r ^| findstr /i "\-[0-9][0-9][0-9]$"') do (
    set "file=%%~nxi"
    echo ren "%%i" "!file:~0,-3!0!file:~-3!"
)
pause
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@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
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