capitalizr in bash

 15:29:19 ~/projects/capitalizr.py$ cat ./argpa.py
     1	#!/usr/bin/env python
     2	#-*- coding:utf-8 -*-
     3
     4	# filename: capitalizer.py
     5
     6	# date created: 21-08-2012 19:19:36 IST
     7	# purpose: to capitalize words in a txt file, words which has less than
     8	# 3 words are escaped.
     9	# author : Santosh Kumar <https://twitter.com/sntshk>
    10
    11	from string import punctuation
    12	from sys import argv, stdin
    13	from argparse import ArgumentParser, FileType
    14
    15	parser = ArgumentParser(
    16	    prog='capitalizr',
    17	    description='capitalize words in a file',
    18	    epilog='see project page: http://git.io/bRL0AA for more info'
    19	    )
    20
    21	parser.add_argument('infile', type=FileType('r'), nargs='?', default=stdin)
    22
    23	args = parser.parse_args()
    24
    25	for line in args.infile:
    26	    # Clear the extra line after each line, see issue #1 and #3
    27	    line = line.rstrip('\n')
    28	    # Split words by spaces.
    29	    words = line.split(' ')
    30	    for i, word in enumerate(words):
    31	        if len(word.strip(punctuation)) > 3:
    32	            # Capitalise and replace words longer than 3 letters (counts
    33	            # without punctuation).
    34	            if word != word.upper():
    35	                words[i] = word.capitalize()
    36	    # Print the capitalised words with spaces.
    37	    print(' '.join(words))


 15:29:21 ~/projects/capitalizr.py$ cat testfile.txt
     1	this line will be capitalized..
     2	I have some punctuation in it, can't you see!?
     3	This line has many                       spaces.
     4	This line has 							tabs.
     5	this this that meta santosh.
     6	that this
     7	fooo


 15:31:09 ~/projects/capitalizr.py$ ./argpa.py testfile.txt
This Line Will be Capitalized..
I Have Some Punctuation in it, Can't you see!?
This Line has Many                       Spaces.
This Line has 							tabs.
This This That Meta Santosh.
That This
Fooo


 15:31:12 ~/projects/capitalizr.py$ cat testfile.txt | ./argpa.py
     1	this Line Will be Capitalized..
     2	I Have Some Punctuation in it, Can't you see!?
     3	this Line has Many                       Spaces.
     4	this Line has 							tabs.
     5	this This That Meta Santosh.
     6	that This
     7	fooo