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Old 07-14-2019, 12:01 AM   #6
DNSB
Bibliophagist
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Posts: 47,216
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Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
Quote:
Originally Posted by Grn View Post
calibre is, in my eyes, cancerous. I've once tried doing it couple of years ago, bulk removing tags, this extremely smart software ended up deleting every filename aswell along with tags. so every book in my library was literally named to "0"
Out of curiosity, how did you try bulk removing tags? Did you select books, right click, edit metadata in bulk, check the remove all checkbox at the end of the remove tags line and click OK? I use that rather often and have never had any book titles changed during the process.

Realistically, I have trouble seeing how the filenames would have been changed by bulk removing the tags. The basic bulk metadata edit does not even a place to modify the title other than swapping the title and author fields. The search and replace edit does have the capability to mess with the title field but it has that message at the top of the page: "You can destroy your library using this feature. Changes are permanent. There is no undo function, You are strongly encouraged to back up your library before proceeding."

OTOH, calibre is like any other computer program and will do what you ask it to do regardless of how wrong the action might be. Powerful, yes. Useful, yes. Smart, no. Cancerous, no.

Quote:
Originally Posted by Grn View Post
if there's any possibility doing this within the reader, I'll be gladly waiting. I'll go read that koreader thread. maybe I'm wrong, but I'd prefer not having any additional stuff on reader's os right now.
I would rate the chances of doing this using Kobo's firmware as being around the level of a multi-spindle automatic lathe being used to make M22 bolts suddenly churning out a Tesla (model of your choice) complete with all optional accessories.

Kobo's firmware reads the metadata from the file and assumes that the file has correct metadata. If, not Garbage In, Garbage Out. It's been a few years since I've seen a commercial epub or pdf that has metadata with incorrect title and author information. Most of what I use calibre's metadata editing for now is covers, comments and series.

Edit: I am still wondering why you want to read jp2 image files on your Kobo ereader.

Last edited by DNSB; 07-14-2019 at 12:05 AM. Reason: Added query about jp2 format images
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