Названия папок. Как добавить нули перед цифрами?

echo off
set /p input= Vvedite kolichestvo papok :
 
for /l %%i in (1,1,%input%) do md "%cd%/%%i"

echo off
set /p input= Vvedite kolichestvo papok :
 
if %input% LSS 10 (
    for /l %%i in (1,1,%input%) do md "%cd%/%%i"
) else (
    for /l %%i in (1,1,9) do md "%cd%/0%%i"
    for /l %%i in (10,1,%input%) do md "%cd%/%%i"
)

@echo off
SetLocal EnableDelayedExpansion
::надо 01-99 (set "m=0!n!"& ren "%src%\%%~nxa" "name!m:~-2!.txt")
::надо 001-999 (set "m=00!n!"& ren "%src%\%%~nxa" "name!m:~-3!.txt")
::надо 0001-9999 (set "m=000!n!"& ren "%src%\%%~nxa" "name!m:~-4!.txt")
set "src=papka"
for /f "delims=" %%a in ('dir /a-d /b "%src%\*.txt"') do set /a n+=1& set "m=000!n!"& ren "%src%\%%~nxa" "name!m:~-4!.txt"
pause>nul

@echo off
 
SetLocal EnableDelayedExpansion
 
set /p input= Vvedite kolichestvo papok :
set n=0
for /l %%i in (0,1,10) do if not "!input:~,-%%i!"=="" set n=%%i
set /a n=!n!+1
 
for /l %%i in (1,1,%input%) do (
    set d=0000000000%%i
    md "%cd%/!d:~-%n%!"
)

@for /F "tokens=1,2 delims=," %%1 in (list.txt) do ren "%%2" %%1 2>nul