Help! Get seasons & episode data from filename??

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Hi guys

I have a fairly simple problem, which seems to be very difficult to solve! Hoping someone can help me out.

1. I'm running SageTV + Phoenix + BMT. Latest versions for everything.
2. I live in Australia & grab my EPG data from OzTivo and use LM Gestion's importer to get it into SageTV.
3. It appears that OzTivo includes the Season & Episode info in the show title. So my shows are title as follows: "TheBigBangTheory-Season3Episode10TheGorillaExperiment-13916457-0.mpg"
4. I have verified the above using BMT - season & episode fields are left blank and the show title is "Season 3 - Episode 10 - The Gorilla Experiment"

So my problem is simple. How do I parse the season & episode info from the title into the season & episode fields in SageTV/BMT to enable accurate grouping by season?

So far I've tried:

1. Renaming files to the format "showTitle-s01e01-episodeTitle.mpg". I don't like this approach & would like to avoid using it.
2. MediaTitles.xml - as far as I can tell there is no way to accomplish the above using XML?
3. Changing the way SageTV names its recordings - cant do it as far as I can tell.

Is there anything I can do at all?

Thanks for your help in advance.