Thread: I managed to trigger a very interesting bug... :)
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Old 12-25-2017, 07:58 PM   #52
davidfor
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Quote:
Originally Posted by compurandom View Post
I didn't ignore it, just that quality check doesn't provide a convenient way to do them both at once, so I did them one at a time. Also, the non-replacable cover test caught only another ~6% and most of those it caught only after they had already been repaired.

Yes, I agree, they both need to be done. Please realize that I did it that way not to prove a point, but to actually clean up problems I missed on the last pass through my library.

I did understand that you don't think the checks are accurate, and I appreciate anything that can reduce the number of books I have to check by hand. Actually, I think the replaceable/non-replaceable checks probably are accurate enough, between them I didn't find any false positives of books needing fixing.
Than you need to go back, read your post and think about how you can be clearer in the future. The complete lack of mention of the SVG check makes it appear that you ignored it. The way you discussed then non-replaceable cover test makes it look like you were expecting better results.

And no, you can't run them both at the same time. But, you can run one for all the books and the other on the results of the first. Or tag them results of each and look at the combinations.
Quote:
I just checked, and the calibre SVG cover test is not helpful for this purpose. Too many false positives; about 250 books fail this test, many with hand generated covers made in calibre. (No false negatives -- it found ~600 books all with automatically generated covers.)
Of course, there is an extremely simple solution to your problem. Select all the books in your library and run Polish books to update/add the covers. Or Modify ePub. You can exclude the ones that already have an SVG cover. But, doing the rest mean you have consistency across your library.
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