Thread: Kobo Start Menu 09
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Old 04-02-2019, 02:01 AM   #608
davidfor
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Posts: 24,905
Karma: 47303824
Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by jshzh View Post
Thank you, David.

It may matter in some cases. I moved all books on the external sd card to a hidden folder then started nickel, waiting for the cleanup as Kobo did the indexing before the move. The cleanup went on - the number in My Books dropped one by one on the screen. It took more than an hour. But the problem is, I assume, the cleanup can never really finish because no kobo reboot can occur without first going to KSM (the device won't reboot automatically after cleanup, good thing), which renders it not a real reboot. So I ended up with the cleanup starting all over again every time I started Nickle via KSM. Luckily, when the cleanup goes or after it finishes, the device functions as usual, one can do an factory reset, which bypasses KSM. This time, I made sure I created a hidden folder on the internal sd card as well. Guess as long as I don't let kobo automatically download any books and put all my own books in hidden folders, I am out of trouble. Fingers crossed.
In the past, the removal of missing books happened before nickel was shown. Now, it is probably happening while the screen is shown, but, I don't think I've deleted enough books in one go to see more than a few seconds delay. I'll have to try it and see.

But, the removal of the missing books has no dependency on the device being restarted, or nickel being restarted. It should happen, and the database gets updated. If something interrupted that, then the database update might not happen, or it could corrupted. The former would mean the books would still be in the database and would need to be removed. The latter probably means the same, but the database in that situation is probably not useable. The only issue I can think of if you don't restart nickel is that I don't think the database will be compressed. I think this can happen during the start-up.
Quote:
As to the tip regarding Calibre. I will certainly experiment with it soon. I have Calibre on PC for a long time but have never explored ways to take advantage of it except using it to open epub books.

Update 1: there is another occasion when one needs to start Nickle and let PC recognise the device: to put dictionary and OCR files into the holders. Calibre can't transfer non-book files, I assume.
I have no idea what you are talking about there. Nickel maintains its own dictionaries. It downloads them over WiFi. You can add others, but, I don't believe KOReader uses nickel's dictionaries. I don't know what the reference to "OCR files" is.

And you can get calibre to transfer non-book files. But, you need to add them to the calibre library. After that, calibre will treat them as a book, but won't be able to do things like convert them or modify metadata.
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