Transpose Text Matrix

transpose.py

#!/usr/bin/env python

import argparse
import sys
import itertools

def _main():
    parser = argparse.ArgumentParser(description='Transpose text array')
    parser.add_argument('input', default=sys.stdin, nargs='?', type=argparse.FileType('r'))
    parser.add_argument('output', default=sys.stdout, nargs='?', type=argparse.FileType('r'))
    options = parser.parse_args()

    lines = [x.split() for x in options.input.readlines()]

    for i in itertools.izip_longest(*lines):
        print >>options.output, '\t'.join(i)

if __name__ == '__main__':
    _main()