[Boost-users] [serialization] appending elements

Is it possible to append serialized elements to an existing archive? I need to keep a set of records on a file, and periodically add new entries to it (kind of like a database table). Reading the whole set, adding the new records, and serializing the set back is not an option since I expect the set to go pretty big. I have tried to keep several archives at the same stream (with no_header and no_tracking flags), but then I don't know how to read them. Reading them as if they were a single archive does not work, should it? Agustín K-ballo Bergé.-