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[kensn]

Since the expression language is file based I am having a hard time wrapping my brain around this one. I would like to compose an expression that will show only Artists that have both Audio files and video files.

Everything I try will filter on the first Media type AUDIO and exclude any VIDEO type.

Looking for an expression that says: show only artists that have Audio files and Video files. (Video files are tagged with Artist field)

Any tips?

[mark_h]

What you want to do is create a result set from a seed list.  This was not possible before variables.  I figured out a solution but  nobody, it seems, needed it until now...

I base this comment on the ZERO replies to my HOWTO http://yabb.jriver.com/interact/index.php?topic=90504.0  

Anyway, here you go, this seems to get close to what you need.

(([Media Type]=[audio],[Video] [=save(0,v_filter[artist],0)]=0) or ([Media Type]=[Video] -[Artist]=[] [=save(1,v_filter[artist],1)]=1) or ([Media Type]=[Audio] [=load(v_filter[artist])]=1)) ~sort=[Artist]

Steps:

Set an artist flag to 0 for every AUDIO/VIDEO file in the library.
Create a SEED list by setting the artist flag to 1 for all video files (as long as the artist field is non-empty)
Filter against all AUDIO artists that match the flag.

[kensn]

Wow!! Just great, thanks. I had read your post on seeding a few times, but could not implement it. I'm going to study this one a bit.

Works well, and I think I will be able to tweak it a bit to get the exact results I want.

Thanks for your time,

Ken

[mark_h]

Happy to help.

There's a few things going on here: variables and OR/AND blocks.  The expression feels more complicated than it really is and once you "get it" it's obvious.

[kensn]

Only one thing I saw was if a video had an Artist and that Artist did not have any audio files it would still show just the Video file. I worked around that, a couple Artists were misspelled on the video files , and I have the artist field populated with the series name for my TV shows. Fixing the spelling and omitting Tv shows fixed the display of files.

Ken