@echo off
setlocal enabledelayedexpansion
pushd d:\
for /f "delims=" %%a in ('dir /b/ad d:\*^|findstr "^[0-9]*$"') do (
   if not "%%a"=="0" (
      set "var=%%a"
      set /a "var-=1"
      ren "%%a" "!var!"
   )
)
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@echo off
for /f "delims=" %%a in ('dir /b /ad ^|findstr "^[0-9]*$"') do (
      if "%%a" neq "0" (
         set /a n=%%a-1
         call ren "%%a" "tmp%%n%%"
))
for /d %%a in (tmp*) do (
      for /f "tokens=* delims=tmp" %%i in ("%%a") do ren %%a %%i
)
pause
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@echo off
:lp
set/a n+=1
set t=%t%.
for /f %%i in ('dir /b /ad ^| findstr /r "^[0-9]%t%[0-9]$"^|sort') do (
   if %%i neq 0 (
   set/a str=%%i-1
   call ren %%i %%str%%
))
if %n% lss 10 goto lp
pause
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@echo off
(for /f "delims=" %%a in ('dir /b/ad D:\ ^^^| findstr "^[1-9][0-9]*$"') do @(set /a "n=%%a+1000000000" >nul & call echo %%n%%)) | sort >tmp.txt
for /f "delims=" %%a in (tmp.txt) do (
    set n=%%a
    set /a n-=1000000000, m=n-1
    call ren D:\%%n%% %%m%%
)
del tmp.txt
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