def list_archive(archive, verbosity=1, program=None, interactive=True):
    """List given archive."""
    # Set default verbosity to 1 since the listing output should be visible.
    util.check_existing_filename(archive)
    if verbosity >= 0:
        util.log_info("Listing %s ..." % archive)
    return _handle_archive(archive, 'list', verbosity=verbosity,
      interactive=interactive, program=program)
List given archive.