Reading a file line by line in python (with argument)

read_text_file.py

#!/usr/bin/env python
import argparse


def get_args():
    """
    Get command line arguments
    """

    parser = argparse.ArgumentParser(description="""
Put description of application here
                   """)
    parser.add_argument('--infile', action='store', dest='infile',
                        help='file to be read')

    parser.add_argument('--version', action='version', version='%(prog)s 0.1')

    return parser.parse_args()


if __name__ == '__main__':
    args = get_args()
    with open(args.infile) as f:
        for line in f:
            print ">" + line.strip('\n')