HELP - Import of TAG File Data into a Catalogue

I have large number of movies. They are a mix of avi, mkv & iso files. Most of the avi files have the metadata embedded into the file which can be read with catalog programs such as ANT.

However I have yet to find a catalog program which is able to read an existing Netgear TAG file to produce a catalog without re-organising the data into multiple sub folders (even those that do forget to move associated srt files)

Does anybody know of a cataloging program which will import existing Netgear TAG files?

I am not particularly interested in the generating of the TAG file.

Thanks