# script A
import os
import time
import cv2

if __name__ == "__main__":

root_dir = "."
os.chdir(root_dir)
directory = root_dir

sensor_triggered = False

try:
    while True:
        if sensor_triggered:
            out = get_output_from_sensor()
            timestamp = time.strftime("\%Y-%m-%dT%H%M%S%z")
            directory = root_dir + timestamp

            if not os.path.isdir(directory):
                os.mkdir(directory)
            else:
                first_index += len(os.listdir(directory))

        name_of_file = directory + "\output" + ".txt"
        cv2.imwrite(name_of_file, out)

        os.system("explorer " + directory)

# script B
if __name__ == "__main__":

    import argparse
    import os

    def command_line_args():
        arg_parser.add_argument("path", action="store")
        arg_parser.add_argument("id", action="store")
        return arg_parser

    def parse_args()@
        cmd_line = command_line_arguments()
        arg = cmd_line.parse_args()
        return arg.path, arg.id

    for file in os.listdir(path):
        # do stuff on that file

    print("Script B is done processing {} with ID {}".format(path, id))
    exit(0)