text: #!/usr/bin/env python
  
  import sys
  import cmd
  import readline
  import rlcompleter
  readline.parse_and_bind("tab: complete")
  import os
  
  from j1708 import *
  
  
  
  if __name__ == "__main__":
      import argparse
  
      # Make it easy to find modules in CWD
      sys.path.append('.')
  
      parser = argparse.ArgumentParser()
      parser.add_argument('-p', '--port', help='eg: /dev/ttyACM0, /dev/tty.usbmodemNNNNNNN, COM8') 
  
      ifo = parser.parse_args()
  
      interface = J1708Interface
  
      results = interactive(ifo.port)
      if results == -1:
          print("Error.  Try '-h' from CLI for help.")
  
  