Guess file magic without using python-magic

guess-file-magic-without-python-magic.py

#!/usr/bin/python
# -*- encoding: utf-8 -*-
__author__ = "Chmouel Boudjnah <[email protected]>"
binhexjpg="ffd8ffe000104a464946"

import sys
import binascii
if len(sys.argv) >= 2:
    ff = sys.argv[1]
else:
    print "Arg needed"
    sys.exit(1)
fh = open(ff, "rb") 
f = fh.read(10)
print binascii.hexlify(f)
print binhexjpg
print binascii.hexlify(f) == binhexjpg