Make it show help for all arguments, not only the first two..

routerstats_collector.py

@@ -438,7 +438,7 @@ def main():
 
 	config = configparser.ConfigParser()
 
-	parser = argparse.ArgumentParser(exit_on_error=False)
+	parser = argparse.ArgumentParser(exit_on_error=False, add_help=False)
 	parser.add_argument('-c', '--config', help='config file to load')
 	parser.add_argument('-d', '--debug', action='store_true', help='enable debug')
 
@@ -495,9 +495,20 @@ def main():
 		help='Location for queue dumps',
 		default=config[config_section]['var_dir'])
 
+	parser.add_argument(
+		'-h',
+		'--help',
+		help='show this help and exit',
+		action='store_true',
+		default=False
+		)
 	args = parser.parse_args()
 	logging.debug(args)
 
+	if args.help:
+		parser.print_help()
+		sys.exit()
+
 	#Just quit early if file is missing..
 	if os.path.isfile(args.file_to_follow) is False:
 		logging.error('Could not find log file %s', args.file_to_follow)