This is all good info, thanks a ton. A couple of details - when you said: "e.g. {plex} will always give the same path for the same movie, regardless of media info, and so the second occurrence of the movie will overwrite the first occurrence, neatly eliminating duplicates:" - I do indeed h...

Thank you for the response, but in plex this is not the behavior I am seeing. I have hundreds of movie folders that have duplicate movies in them, one old and one new. In the plex interface it shows "2" at the top left of the movies, indicating that there are 2 copies. There is no easy way...

I have been looking for a solution to this for months. Basically what I am looking for is a way to automate the process of deleting older versions of movies. Let me explain. In plex, when I download a newer copy of a movie it shows up as a duplicate. That makes sense, if I go to the folders I do ind...