Quote:
Originally Posted by siebert
I'd like to know which format of a book was the source (added to calibre) and which format was created by calibre conversion from the source.
I'm willing to to patch calibre if there is no built in way to accomplish this, but I need a clue how to do that.
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One problem with automating this is that a "book" record doesn't separately store metadata about each of the "formats" of that book. Each format can have a different "source" or be its own original. There's no guarantee that any one format is the source for all others.
I may have the same book (different original formats) from two different sources, and third and fourth book formats converted from those two originals. You could add tags or add text to the comments, but keeping track of it all won't be easy. (What if I convert my third format, which came from format two into format one to replace that "original" format one?)