def task_list(arguments):
if arguments['--YAML'] or arguments['--JSON']:
where = dict(name=arguments['<name>']) if arguments['<name>'] else dict()
tasks = Task.list(**where)
tasks = filter(lambda t: _holdings_filter(t, arguments), tasks)
common.dump(tasks, toyaml=arguments['--YAML'], tojson=arguments['--JSON'], entry=lambda e: e.__dict__)
else:
_task_list_table(arguments)
