awesome.erl

                            Response = io_lib:format("~s: ", [Nick]) ++
                                case ets:lookup(State#state.db, SeenKey) of
                                    [{SeenKey, SeenData}] ->
                                        {SeenAgeDays, {SeenAgeHours,SeenAgeMinutes,SeenAgeSeconds}} = calendar:time_difference(SeenData#data.datetime, calendar:universal_time()),
                                        io_lib:format("~s was last seen", [SeenNick]) ++
                                        string:join("", lists:map(fun({V,L}) ->
                                            case V of
                                                0 ->
                                                    "";
                                                _ ->
                                                    io_lib:format(" ~p ~s", [V, L])
                                            end
                                        end, [{SeenAgeDays, "days"}, {SeenAgeHours, "hours"}, {SeenAgeMinutes, "minutes"}])) ++ io_lib:format(" ~p seconds ago", [SeenAgeSeconds]);
                                    [] ->
                                        io_lib:format("I haven't seen ~s", [SeenNick])
                                end,
                            ok = gen_server:cast({global, erb_dispatcher}, {privmsg, Data#data.destination, Response});