echo "podaj a"
set /p a=
echo "podaj b"
set /p b=
for(i=0;I

// wmic disc letter
echo %username%
wmic cpu get name

//@echo off
if "%1"==" " (echo BLAD
goto:EoF)
pushd %1 2>nul
if %errorlevel% NEQ O goto BLAD
:start
if "%2"==goto Koniec
del *.%2
SHIFT /2
goto start
:Koniec
popd
goto :EoF
:BLAD
echo BLAD2
goto :EoF

//@echo off
if "%1"==" " (echo BLAD
goto:EoF)
pushd %1 2>nul
if %errorlevel% NEQ O goto BLAD
del *.bak
del *.tmp
popd
goto :EoF
:BLAD
echo BLAD2
goto :EoF