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I often search for audio-files and the Dynamic File Search works great — but only if I know the name of what im looking for. I would love for it to be possible to delineate/specify the duration (min/max/approx?) of the audiofile. Is that possible?

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I don't think this is possible with a File Filter, no.


The metadata is there in kMDItemDurationSeconds, and the underlying search engine supports it, but Alfred only supports text-style searches, and will only find matches for the exact duration (and the metadata includes microseconds). Perhaps @Andrew can clarify if this is correct?


You'd have to write a custom Script Filter to properly handle numeric fields like filesize/duration/bitrate.


As a starting point, this command will show every audio file in ~/Music with a duration over 5 minutes:

mdfind -onlyin ~/Music '(kMDItemContentTypeTree == public.audio) && (kMDItemDurationSeconds > 360)'

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