Some proplist helpers ===================== Delete all properties named foo or bar: 1> proplutils:delete([foo, bar], [{foo, "does"}, {bar, "not"}, {baz, "matter"}]). [{baz,"matter"}] Delete all properties that aren't named foo or bar: 1> proplutils:delete_except([foo, bar], [{foo, "does"}, {bar, "not"}, {baz, "matter"}]). [{foo,"does"},{bar,"not"}]