tsv2csv

tsv2csv.py

import csv

# he underlying Windows text file mechanism cuts in and changes that \n to \r\n ... total effect: \r\r\n
# Refs: http://stackoverflow.com/questions/1170214/pythons-csv-writer-produces-wrong-line-terminator/1170297#1170297

with open('AllNet5.csv', 'w') as out:
    reader = csv.reader(open('AllNet5.net', 'r'), delimiter="\t")

    for row in reader:       
        out.write(','.join(row) + '\n')