I've used MP3tag quite a bit to extract the usual tags.
I have a library of music on my disk consisting of approx 5000 albums (about 61000) tracks. Every album has the cover artwork embedded into it.
I've used MP3tag to extract enough info to enable me to create a bespoke (private) set of HTML5 web pages to catalogue this collection, using a Visual Basic program I wrote to generate them.
What I need to do now is extract the cover art from each album and have it renamed with the album title. Given the amount of albums involved, I need to be able to do this on a batch basis.
The albums are stored in separate folders:
Albums that start with the letter A are located in X:/Artists/A/ and so on.
Can this be done using MP3tag, or indeed any other utility out there?
Did you check the action that @poster linked?
In that action you can set not to export duplictates.
So it would not matter how many files you see in the file list, you would still only get 1 picture file.
Alternatively, you could filter for files with track number 1 - which assumes that each album has at least such a track:
Filter: %track% IS 1 OR %track% IS 01