tool to create tar.gz files

tarhw.py

#!/usr/bin/env python
import tarfile
import sys

"""
Script to replace tar -czf for turning in CSCE 470 assignments.
Author: Jeffrey McGee, based on an idea by John Keech
Usage: python tarhw.py hw2
"""

def save_tarball(label):
    with tarfile.open(label+".tar.gz", "w:gz") as tar:
        tar.add('.git')

if __name__=="__main__":
    label = sys.argv[1]
    if label:
        save_tarball(label)
    else:
        print "Usage: python tarhw.py hw2"