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Originally Posted by AZBooks
OK. We'll switch to using Calibre and it's library system. It appears Calibre creates and reads an OPF file inserted into the book folder. How do I update the metadata of every book file in the Calibre Library ... Should I "Polish" every book and checkboxes for metadata, cover, and book jacket?
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It is not bad to do this. So your files have the metdata too. If I'm not wrong, the opf files inside the folders are for database recovery only. All the infos are in the metadata.db also, which is used for the database. If this file gets corrupted, you could restore it thanks to the opfs in the folders. If you also polish the books, another layer of security is there, beecause you could reimport these files also.
Quote:
Originally Posted by AZBooks
so if I grab one from there and send to my sister, it will have the updated metadata/cover. Should I "Polish" every book and checkboxes for metadata, cover, and book jacket?
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If you export files ( or send them to your device) through calibre (which is the best and easiest way), the metadata is updated in the exported files.
Polishing every books is a good way to gain another level of security and is important, if you would copy the files without calibre or if you sometime in the future switch from calibre to another software. But exporting to disc with a template would then be the even better option.
Just think of calibre as a database and as your new explorer for books. Folder structure is nothing you are concerned with anymore. Just import your books to calibre and then use calibre to do things with the books (like exporting, sending to a device etc.).
There are many (maybe overwhelming many) things you can do with calibre in addition. Maybe some plugins are of interest for you. Custom columns are easy too and you could use them to store for example if you (or your wife or your sister) has read a book.