[kiripanda]

Код:

@echo off &setlocal enableextensions

set /a Last=10

call :rd "z:\arhiv\0\1\2"
call :rd "z:\arhiv\0\1\3"
goto :eof

:rd
for /f "skip=%Last%" %%d in (
'dir /b/ad/o-n "%~1\????????" ^|findstr /rbec:[0-9]*'
) do rd /s /q "%~1\%%d"
goto :eof

оставляет последние 10