Quote:
Originally Posted by kovidgoyal
calibre does not use/support extended file attributes. They are extremely brittle, platform specific, filesystem specific, dont survive roundtripping via most comman archive formats etc. You can embed metadata inside the file and presumably your search tool can be configured to filter based on that metadata.
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Hi Kovid, glad to hear from you, thank you for taking the time to weigh in on this.
My impression of extended file attributes are similar to yours: that they're brittle, and platform-specific.
Perhaps I've made the mistake of giving an impression that Mac-native tags are implemented solely as extended file attributes. I'm actually not sure about this, especially after discovering that Mac-native tags also show up in the file's XMP headers (in addition to them showing up as extended attributes).
I am now trying to see if the search app is able to filter for tags under the "kMDItemKeywords" field, and will also see if there are means of reflecting "kMDItemKeywords" tags as Mac-native tags.