Generate files with random names

genfile2.py

# > python --version
# Python 3.8.2
# > python genfile2.py -n 100000 --max 200
# > attrib *2.csv


import sys
import random
import argparse
from pathlib import Path


def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument('-n', '--num-files', type=int, default=10)
    parser.add_argument('--min', type=int, default=1)
    parser.add_argument('--max', type=int, default=100)
    return parser.parse_args()


def main():
    args = parse_args()

    chars = '0123456789abcdefghijklmnopqrtsuvwxyz_-'
    n = args.num_files
    min_length = args.min
    max_length = args.max

    def generate_filename(chars, minlength, maxlength):
        k = random.randint(minlength, maxlength)
        return ''.join(random.choices(chars, k=k))

    for i in range(n):
        filename = generate_filename(chars, min_length, max_length) + '_.csv'
        Path(filename).touch()


if __name__ == '__main__':
    ret = main()
    if ret:
        sys.exit(ret)