def groups_option(f):
    new_func = click.option("-g", "--groups",
                            help="Comma-separated list of requirement groups "
                            "to include.")(f)
    return update_wrapper(new_func, f)
def main(args):
    '''Populates an html template using JSON-formatted output from the
    Linux 'du' utility and prints the result'''
    html = '''