#!/usr/bin/python3

import sys
from SystemLib import ogHelp
from InventoryLib import ogGetSerialNumber

if 2 == len (sys.argv) and 'help' == sys.argv[1]:
    #parser.print_help() sale en inglés aunque la locale indique otra cosa
    ogHelp ('ogGetSerialNumber', 'ogGetSerialNumber', ['ogGetSerialNumber'])
    sys.exit (0)

ret = ogGetSerialNumber()

if ret is not None:
    if   ret == True: sys.exit (0)
    elif ret == False: sys.exit (1)
    else: print (ret)