That works great, too, if you want to delete your info and you got more than 1k items in all sorting categories (hot, new, controversial etc.). It's a bit more involved though.
But it also makes them to actively remove your data for you. It's a good punishment for the company. (I feel sorry for the grunts doing this though.)
Sorry for the double reply, I just realised that I misunderstood your question. My bad.
Check this Reddit Data Extractor. Perhaps it should be enough for your user case.