missing check windows version

Excellent ! Add check windows version, tested ont w2k, w2003, 2008, 7 (not in xp)

for /f “tokens=2 delims=[]” %%x in (‘ver’) do set cmdver=%%x
set cmdver=%cmdver:Version =%
for /f “tokens=1,2,3* delims=.” %%g in (“%cmdver%”) do (
set major=%%g
set minor=%%h
set build=%%i
)

rem Windows 3.1,95,95 OSR2,NT 4.0,98,98 SE,ME
IF %major% LEQ 4 goto ver_false
rem Windows 2000
echo %cmdver% | FINDSTR /C:”5.0″ > nul
IF %ERRORLEVEL% EQU 0 goto ver_false

:ver_false
echo UNKNOWN: OS Version not supported [%cmdver%]
exit /b 3

heklp source : http://ss64.org/viewtopic.php?pid=3151#p3151