Counts lines, words, and characters of a file

countfile.py

#!/usr/bin/env python3.1

import os

def docount(string):
	lines = string.split("\n")
	line_count = len(lines)

	word_count = 0
	char_count = 0

	for line in lines:
		words = line.split()
		word_count += len(words)
		char_count += len(line)

	return {
		'l': line_count,
		'w': word_count,
		'c': char_count,
	}

def countfile(thefile):
	if os.path.isfile(thefile):
		counts = docount(open(thefile).read())

		print("File has {0} lines, {1} words, {2} characters".format(
			counts['l'], counts['w'], counts['c']))
		return True
	else:
		print("File does not exist, try again.")
		return False

counted = False
while not counted:
	if countfile(input('Which file would you like to count?')):
		counted = True