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Old 01-15-2015, 11:07 PM   #5
davidfor
Grand Sorcerer
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Posts: 24,905
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by leftright View Post
848 side loaded epubs.
That number should have been processed with no problems.
Quote:
Is there any way of verifying a entire collection for errors which would cause a ereader to "stall", in calibre or Sigil ?
Unfortunately, I have no idea what in the book causes this. When this happened a lot, I would ask people if they worked out the book that caused the problem to send it to me to look at. I rarely received a book and on the occasions that I did, couldn't find anything that seemed to cause it. Most times, when I loaded it, there were no problems. With the changes in the firmware, the problem has nearly disappeared. When I started here, there was a question about it most days. I can't think of the last time I saw one.

The problem is in either the OPF or NCX. I am reasonably sure that these are the only files that are looked at when the book is processed. Other than extracting the metadata, I don't know what it does with the OPF. For the NCX, it reads the TOC and puts that into the database. It doesn't check that what the ToC points exists anywhere in the book.

I am confident that any epub that has been opened and saved with Sigil or the calibre editor and neither of those showed any errors will work. I'm also sure any book that has been produced by a calibre conversion to epub will be OK.
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