A Python script to enable #! for Windows

shebang.py

#By Robin Wellner (gvx)
#I hereby waive copyright and related or neighboring rights to this work
#See the Creative Commons Zero Waiver at <http://creativecommons.org/publicdomain/zero/1.0/>
import sys
import subprocess

f = open (sys.argv[1], "r")
r = f.readline()[:-1]
f.close()

special = {
        #for example:
	#'python2.6': "C:\\Python26\\python.exe",
	#'python3.1': "C:\\Python31\\python.exe",
}

if r.startswith("#!"):
	r = r[2:].strip()
	if r in special:
		line = special[r]
	else:
		line = r
	subprocess.call([line] + sys.argv[1:])
else:
	sys.exit("Could not execute: file does not start with shebang.")