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Old 04-14-2022, 03:35 PM   #2
ownedbycats
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Posts: 10,998
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Join Date: Oct 2018
Location: Canada
Device: Kobo Libra H2O, formerly Aura HD
Don't mess with the files in the Calibre library directory! Treat it as a black box.

You can export them elsewhere (and then delete them from the library if you don't want to keep them there). Preferences > Saving books to disk lets you change the path.

You'll want to go to Preferences > Add your own columns and set up a 'column built from other columns' using {identifiers:select(isbn)} for use in the save template.

Try out something like {title}_{author_sort}_{#isbn} after setting up the column -- I'm not entirely sure how to extract just the last name so hopefully someone else will chime in

https://manual.calibre-ebook.com/template_lang.html gives a good overview of everything.

Last edited by ownedbycats; 04-14-2022 at 03:41 PM.
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