import argparse
import os
from time import sleep

def main():
   args = get_args()
   with open(args.p, "r") as f:
      f.seek(0, os.SEEK_END)
      while True:
         line = f.readline()
         if not line:
            sleep(0.1)
            continue
         if line[0] == "T":
            for char in args.b:
               print(char)
         else:
            print("")
         

def get_args():
   ap = argparse.ArgumentParser()
   ap.add_argument("-p", type=str, help="path to write out to", default="/tmp/cbappend.both.txt")
   ap.add_argument("-b", type=str, help="keys to send while on", default="a")
   return ap.parse_args()

if __name__ == "__main__":
   main()