def main():
if len(sys.argv) != 2:
usage(sys.argv[0])
return
option = sys.argv[1]
if option == '--view-schedule':
printTimeSetting()
elif option == '--edit-schedule':
hour = getNumberInput('hour', 0, 23)
minute = getNumberInput('minute', 0, 59)
days = getDaysInput()
scheduler = Scheduler()
scheduler.setCronTab(hour, minute, days)
printTimeSetting()
else:
usage(sys.argv[0])
