+ msg = _("known filters: ") << ar.join(", ")
+ end
+ m.reply msg
+ end
+
+ def do_listgroups(m, params)
+ ar = @bot.filter_groups.map { |s| s.to_s }.sort!
+ if ar.empty?
+ msg = _("no known filter groups")
+ else
+ msg = _("known filter groups: ") << ar.join(", ")