Thread: Backup Calibre desktop to Portable?
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Old 12-19-2018, 01:57 AM   #14
ilovejedd
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Quote:
Originally Posted by CapitalGGeek View Post
If I understand @ilovejedd & @BetterRed correctly, then syncing the files in the 'Calibre Library' folder in portable should be sufficient. Does portable scrape the directory structure for new additions at every startup? How would it know that there are new books there?
As mentioned, Calibre Portable doesn't need to scrape. The library folder is self-contained. All necessary data is already stored inside that folder. metadata.db in particular, which, as the name implies, contains all metadata (bar cover images) and library structure.

Think of it this way, when you do a one-way mirror sync from your PC's main library to the thumb drive's Calibre Portable, you're essentially replacing the library on the thumb drive with the one from your PC. Any changes made on Calibre Portable (new books, metadata changes, etc) go kaput.
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