Check for doublettes in Calibre

qee4q · 02-15-2016, 04:56 PM

Hi

I have a Kobo Aura, I use Calibre and I have a question

I recently got a new labtop and therefore decided to move all of my epubs and mobis from the old computer to the new one - just like my images and mp3's and a bunch of other stuff.

Somehow I screwed up, so my ebooks ended up scattered in various folders on the new computer instead of in one single primary folder. This includes quite a lot of ebooks which wasn't already on my Kobo Aura. Now I've just put every I book on the computer in the same folder but I don't know which of them already are on my Aura and which aren't.

I tried to add a book to Calibre that I knew was already there to see if Calibre would warn me against doublettes. The book was added to Calibre without a warning and instead I had the same book twice.

I know I could check each book manually before deciding wether to load it into Calibre but that would take quite a lot of hours. So my question is - can I somehow make Calibre check for doublettes when I drag and drop ebooks from a folder on my labtop to Calibre?

I hope somebody can help med

Cheers!

Ripplinger · 02-15-2016, 05:05 PM

You can set how Calibre handles a duplicate book in Preferences, The Add Process tab, check the box for "Automerge added books if they already exist in the Calibre Library" and select your choice from the dropdown menu to the right of that.

I wish a choice was to issue the warning before adding the book, to allow you to check which version of the book is formatted better. But at least you can find the duplicates easily once added and then decide what to do with them if you let it create a new entry for the duplicate book. It will give a message which books were duplicates when finished.

qee4q · 02-15-2016, 05:15 PM

Cool! Thanks for the fast reply!

I'll try it out right away.

JSWolf · 02-15-2016, 05:17 PM

The Find Duplicates Calibre plugin will help you find duplicates.

https://www.mobileread.com/forums/sho...d.php?t=131017

qee4q · 02-15-2016, 05:24 PM

That's great! I'll check it out as well :-)

02-15-2016, 04:56 PM	#1
qee4q Enthusiast Posts: 39 Karma: 10 Join Date: Mar 2015 Location: Denmark Device: Kindle Paperwhite 2, Kobo Aura	Check for doublettes in Calibre Hi I have a Kobo Aura, I use Calibre and I have a question I recently got a new labtop and therefore decided to move all of my epubs and mobis from the old computer to the new one - just like my images and mp3's and a bunch of other stuff. Somehow I screwed up, so my ebooks ended up scattered in various folders on the new computer instead of in one single primary folder. This includes quite a lot of ebooks which wasn't already on my Kobo Aura. Now I've just put every I book on the computer in the same folder but I don't know which of them already are on my Aura and which aren't. I tried to add a book to Calibre that I knew was already there to see if Calibre would warn me against doublettes. The book was added to Calibre without a warning and instead I had the same book twice. I know I could check each book manually before deciding wether to load it into Calibre but that would take quite a lot of hours. So my question is - can I somehow make Calibre check for doublettes when I drag and drop ebooks from a folder on my labtop to Calibre? I hope somebody can help med Cheers! Last edited by qee4q; 02-15-2016 at 05:00 PM.

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02-15-2016, 05:05 PM	#2
Ripplinger 350 Hoarder Posts: 3,574 Karma: 8281267 Join Date: Dec 2010 Location: Midwest USA Device: Sony PRS-350, Kobo Glo & Glo HD, PW2	You can set how Calibre handles a duplicate book in Preferences, The Add Process tab, check the box for "Automerge added books if they already exist in the Calibre Library" and select your choice from the dropdown menu to the right of that. I wish a choice was to issue the warning before adding the book, to allow you to check which version of the book is formatted better. But at least you can find the duplicates easily once added and then decide what to do with them if you let it create a new entry for the duplicate book. It will give a message which books were duplicates when finished.

02-15-2016, 05:15 PM	#3
qee4q Enthusiast Posts: 39 Karma: 10 Join Date: Mar 2015 Location: Denmark Device: Kindle Paperwhite 2, Kobo Aura	Cool! Thanks for the fast reply! I'll try it out right away.

02-15-2016, 05:17 PM	#4
JSWolf Resident Curmudgeon Posts: 79,453 Karma: 145491800 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	The Find Duplicates Calibre plugin will help you find duplicates. https://www.mobileread.com/forums/sho...d.php?t=131017

02-15-2016, 05:24 PM	#5
qee4q Enthusiast Posts: 39 Karma: 10 Join Date: Mar 2015 Location: Denmark Device: Kindle Paperwhite 2, Kobo Aura	That's great! I'll check it out as well :-)

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