- format->set_prefix (format, "id");
- format->string (format,
- notmuch_message_get_message_id (message));
- format->separator (format);
+ /* special case 1 for speed */
+ if (opt->dupe <= 1 || opt->dupe <= _count_filenames (message)) {
+ format->set_prefix (format, "id");
+ format->string (format,
+ notmuch_message_get_message_id (message));
+ format->separator (format);
+ }