tiny_python_projects/appendix_argparse/one_arg.py at master · sc-idevops/tiny_python_projects · GitHub

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#!/usr/bin/env python3
"""A single positional argument"""

import argparse


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

    parser = argparse.ArgumentParser(
        description='A single positional argument',
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)

    parser.add_argument('name', metavar='name', help='The name to greet')

    return parser.parse_args()


# --------------------------------------------------
def main():
    """Make a jazz noise here"""

    args = get_args()
    print('Hello, ' + args.name + '!')


# --------------------------------------------------
if __name__ == '__main__':
    main()