Script for http://askubuntu.com/q/616765/12824

files.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-

# Copyright © 2015 Martin Ueding <dev@martin-ueding.de>
# Licensed under The MIT License

import argparse

def main():
    options = _parse_args()

    with open(options.first) as f:
        lines1 = [s.strip() for s in f.readlines()]

    with open(options.second) as f:
        lines2 = f.readlines()

    for first, second in zip(lines1, lines2):
        with open(first + '.txt', 'w') as f:
            f.write(second)

def _parse_args():
    '''
    Parses the command line arguments.

    :return: Namespace with arguments.
    :rtype: Namespace
    '''
    parser = argparse.ArgumentParser(description='')
    parser.add_argument('first')
    parser.add_argument('second')
    options = parser.parse_args()

    return options

if __name__ == '__main__':
    main()