Thread: How to update metatdata on the device from Calibre?
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Old 05-23-2016, 09:12 PM   #7
davidfor
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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 Dchiplin View Post
David - can you explain a bit more on what the plug-in will do?

For example, I have cleaned up the comments in a number of the books in my Calibre library. I then reconverted them to update the metadata.
You don't need to do this, and probably don't want to. Calibre will update the metadata in the books when you send them outside of library. So, they get updated during send-to-device or save-to-disk. You can also update the library copy using the "Embed metadata" and the "Polish books" functions.
Quote:
With my Kobo connected, I selected the edited book, ran the Kobo Utility with the "update Comments" field checked, and got a message back that 1 book was updated. But the book comments on my Kobo are not changed.
When you put a book on a Kobo device, the firmware processes the book to add it to the library. This reads the metadata and ToC and adds the information to the internal database. The library lists and details displayed are all built from the database. This is done the first time the book is seen. The Update Metadata function of the utilities plugin updates the database directly. It compares the details in the calibre library with what is in the devices database. If they are different, it updates them. It also only updates the metadata elements that are different. So, if you select all options and only the series name is different between the two places, then only the series info will be changed.

If the plugin says it updated something, then it probably did. But, you can't be sure of exactly which metadata elements where updated. One possibility for no apparent update is if you are using a template for the comments. If there is an error in the template, then the unchanged comment will be used. In this case, there won't be an error displayed.

If you think there is a problem, please run calibre in debug mode (right-click the preferences button and select "Restart in debug mode"), use the update function and then close calibre. The debug log will be displayed/ Post the full log for me to look at.
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