@echo off
for /l %%i in (9999,-1,0) do (
    if exist *%%i.txt (
        for /f "delims=" %%j in ('dir /b /a-d *%%i.txt') do (
            set "str=%%j"
            setlocal enabledelayedexpansion
            set "str=!str:%%i.txt=.txt!"
            ren "%%j" "!str!"
            endlocal
        )
    )
)
pause
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dir *.txt/b|gawk "{o=$0;sub(/[0-9]+\.txt$/,\".txt\");if(o!=$0){print \"mobve \042\"o\"\042 \042\"$0\"\042\"}}"|cmd.exe
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@echo off &setlocal &for /f "delims=" %%F in ('dir /b/a-d *.txt') do (
   set "F=%%F" &set "nF=%%~nF" &set "xF=%%~xF"
   (call :cut#n)
)
endlocal&pause&exit/b
:cut#n // 删除文件名尾部的数值字段，重名予以覆盖
  setlocal enabledelayedexpansion
  :#n
  if not defined nF (endlocal&exit/b) else (
     if !nF:~-1! geq 0 if !nF:~-1! leq 9 (set "nF=!nF:~,-1!" &goto :#n)
     move /y "!F!" "!nF!!xF!"
     endlocal&exit/b
  ) 2>nul
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