Github dependencies downloader

gdd.py

import os
import sys

def main():
    if len(sys.argv) == 1:
        print("You must provide at least one file to read!")
        return -1
    else:
        for arg in range(len(sys.argv) - 1):
            if os.path.exists(sys.argv[arg + 1]):
                file = open(sys.argv[arg + 1], "r")
                for line in file:
                    if line != "\n":
                        os.system("git clone https://github.com/" + line)
                file.close()
            else:
                print(">> File \"" + sys.argv[arg + 1] + "\" does not exist!")
    return 0

if __name__ == "__main__":
    main()