csv2tsv.py

#!/usr/bin/env python3
import argparse
import csv


def main():
    parser = argparse.ArgumentParser(description='Convert CSV to TSV.')
    parser.add_argument('csv', help='CSV file to convert')
    args = parser.parse_args()

    infile = args.csv

    with open(infile, newline='') as csvfile:
        csvreader = csv.reader(csvfile, delimiter=',')
        for row in csvreader:
            print('\t'.join(row))


if __name__ == '__main__':
    main()