User:Inge Hoonte/operating system detector

#!/usr/bin/python

import os
print "Content-type: image/jpg"
print

if "Linux" in os.environ['HTTP_USER_AGENT']:
        f=open("linux.jpg")
        print f.read()

elif "Mac" in os.environ['HTTP_USER_AGENT']:
        f=open("mac.jpg")
        print f.read()

elif "Windows" in os.environ['HTTP_USER_AGENT']:
        f=open("windows.jpg")
        print f.read()