#!/usr/bin/env python

#-------------------------------------------------------------------------------
# Name:        process_string(string)
# Purpose:     Takes a single string, strips the newline characters and removes
#              punctuation, splits it into a list of words, and returns the list
#
# Author:      Christopher Conly
#
# Created:     08/01/2012
# Copyright:   (c) Christopher Conly 2012
#
# CSE 1310 - University of Texas at Arlington
#-------------------------------------------------------------------------------

import string as s
import sys

def process_string(string):
    if type(string) != str:
        print 'Argument type error. The argument must be a string.'
        return None

    try:
        words = []
        string = string.strip('\r\n\ ')
        words += string.split()

        # Remove the punctuation
        for i in range(len(words)):
            words[i] = words[i].translate(s.maketrans('',''), s.punctuation)
        return words
    except:
        print 'Error processing string.'
        return None