import sys
import Zadania_1_2

def parser(input_file, output_file, insep = ',', outsep=','):):
    #wyjatki obslużone w module Zadania_1_2
    readed_file = Zadania_1_2.read_file(input_file, insep)
    Zadania_1_2.save_file(readed_file, output_file, outsep)


def main():
    try:
        path = sys.argv[1:]
        assert len(sys.argv) <=2, "Input file names"
        if len(sys.argv) <=3:
            path = list(sys.argv[1:3])
        else:
            path = list(sys.argv[1:5])
    except AssertionError as err:
        print(err)
    finally:
        parser(path)
        print('Program closed.')

if __name__ == '__main__':
    main()