I have a single Kobo reader, and (currently) 2 SD cards dedicated to it. What I would
like to be able to do is have Calibre keep track of which books are on which card, and display that information.
I started out by asking if there was a way to accomplish that already, and if so, if someone would be kind enough to point me to instructions on how to do so:
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It would be Really Nice(tm) if Calibre could differentiate automagically (and display it), but failing that, I'd be fine with doing a custom column and populating it if there was a way to distinguish between SD cards from within Calibre, so I could store different genres to different cards (Tech vs Reference vs SciFi vs ...).
If Calibre can already do that, could some kind soul point me at instructions/directions?
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I was told that Calibre doesn't distinguish between SD cards.
My next thought was to see if there wasn't some way of working around the situation - perhaps a unique file would work; maybe by filename, or a special meta tag within a dummy epub. So while looking into that possibility, I saw the driveinfo.calibre files, and looked inside them. Comparing the files between the two SD cards and the Kobo, each looked to have a unique number. Kovid, it is NOT that I chose not to believe you - it was a case of trying to find a different way of addressing the problem. Very well, then - the numbers are NOT globally unique hardware numbers.
Given their size, however, could they not be treated as unique? Particularly when only a limited number of such cards are being used by a single person, with a single reader? If you feel a need to disavow any actual randomness, then I (for one) wouldn't have any problem with that - I'm quite willing to take my chances against a collision between two 32-character strings.
I would think that I can't be the only person that would like to have the ability to keep different books on different SD cards for my reader; I am trying to find a way to achieve that goal, and thus add functionality to Calibre. Toward that end, I would be quite happy if I could get even a
little support (some encouragement or suggestions would be nice; a relatively minor edit would be
wonderful):
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Failing that, could that ID be exposed via the template system so a user could point it at a custom column?
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