[Foreigner]

Код:

@echo off
setlocal

for %%i in ("e:\g\j\ru\*.mka") do call:1 "%%i"
goto:eof

:1
set /a cnt+=1
2>nul md "e:\g\j\%cnt%"
move %1 "e:\g\j\%cnt%\%cnt%ru.mka"