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-rw-r--r--pl/episode_data.pl5
1 files changed, 5 insertions, 0 deletions
diff --git a/pl/episode_data.pl b/pl/episode_data.pl
index c6a5f3a..0c43bdc 100644
--- a/pl/episode_data.pl
+++ b/pl/episode_data.pl
@@ -1,4 +1,5 @@
:- module(episode_data, [retract_episode/1,
+ last_episode/1,
lookup_episode/3,
lookup_episode_local/3,
lookup_episode_remote/3]).
@@ -21,6 +22,10 @@ detach :-
% Interface.
+last_episode(Ep) :-
+ setof(E, N^D^lookup_episode_local(E,N,D), Es),
+ last(Es, Ep).
+
lookup_episode(Ep, Name, Data) :- lookup_episode_local(Ep, Name, Data), !.
lookup_episode(Ep, Name, Data) :- lookup_episode_remote(Ep, Name, Data).