main.py

#!/usr/bin/env python

"""
here is a simple main() module -- to demonstrate setuptools entrypoints
"""

import sys, os
import capital_mod

help = """
capitalize script

capitalize file_to_process [output_file_name]

capitalizes (title case) each line in a passed in file
"""

def main():
    """
    startup function for running a capitalize as a script
    """
    try:
        infilename = sys.argv[1]
    except IndexError:
        print("you need to pass in a file name to process")
        print(help)
        sys.exit()
    try:
        outfilename = sys.argv[2]
    except IndexError:
        root, ext = os.path.splitext(infilename)
        outfilename = root + "_cap" + ext
    
    # do the real work:
    print("Capitalizing: %s and storing it in %s"%(infilename, outfilename))
    
    capital_mod.capitalize(infilename, outfilename)
    
    print("I'm done")