#!/usr/bin/python

import time
import sys
import signal

def main():
	start = time.time()
	# Trap ctrl+c
	signal.signal(signal.SIGINT, sig_handle)

	while 1:
		now = time.time()
		elapsed = "%.2f" % (now - start)

		print format_time(elapsed),
		sys.stdout.flush()

		# Rest for a while
		time.sleep(.123)

# Format the time string to output (add "minutes" and "seconds")
def format_time(seconds):
	seconds_str = seconds;
	seconds_flt = float(seconds)

	# there are minutes
	if seconds_flt >= 60:
		minutes = int(seconds_flt / 60)
		seconds_str = seconds_flt % 60

		ret_str = str(minutes) + " minutes and " + str(seconds_str) + " seconds"
	# Only seconds
	else:
		ret_str = str(seconds_str) + " seconds"
		
	ret = "\b" * 100 + ret_str
	return ret

# Handle the CTRL+C if a user presses it (don't spit out 100000 python errors
def sig_handle(signal,frame):
	sys.exit(0)
	
if __name__ == '__main__':
	main()