[alpap]

Код:

@echo off
set "d=UUUU\Mp3tag\lang"
set "d1=ru"
set "d2=en"
set "f1=Russian.lng"
set "f2=English.lng"

pushd "%d%"
 for /f "delims=" %%a in ('2^>nul dir /b^|findstr /xv /c:"%d1%" /c:"%d2%" /c:"%f1%" /c:"%f2%"') do >nul 2>&1 rd /s /q "%%a"& >nul 2>&1 del /q "%%a"
popd
pause