#!/usr/bin/env python   
"""This first string tells what the program does, often who wrote it, when, 
and when it was modified.  This is what will be printed out if the __doc__
string is read for this program.

There is also a usage note as is shown below

Usage:
python SampleProg.py <name of file to parsse>
"""
# standard modules
import sys  #imports things just as you would from the interpreter
import os

def do_comparison(x,y):  # this is a module
    """Here we document what the module does.  This is what will be printed
    if we dir(SampleProg.do_comparison) from the interpreter.
    """
    print "Testing if x and y are equal... "
    if x==y:
        print "TRUE"
        return 1
    else:
        print "FALSE"
        return 0

def read_format(file):
    """Here we document what the module does  This is what will be printed
    if we dir(SampleProg.read_format) from the interpreter.
    """
   
    cur_handle = open(file, "r") # opens a file for reading
    contents=cur_handle.read()
    print contents
    cur_handle.close()
 

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print __doc__
        sys.exit()

    read_format(sys.argv[1])