|  12-12-2020, 10:24 AM | #1 | 
| Guru            Posts: 691 Karma: 3026110 Join Date: Dec 2008 Location: Lancashire, U.K. Device: BeBook 1, BeBook Pure, Kobo Glo, (and HD),Energy Sistem EReader Pro + | 
				
				Identify books needing update on device
			 
			
			This might not be possible but always worth asking. I have a number of different devices all of which have books on that have been loaded via Calibre. A problem I hit from time to time is that I may make an edit to a book in the library (usually correcting spelling but sometimes a bit more drastic surgery). I then upload the book to one of the devices. The problem then is it's easy to loose track of which device is "up to date". Devices are mainly Kobo but there are a couple of Android devices. Is there any add-on or other approach to being able to highlight books which have a different edited date in the library from the date of the file on the device ? I suggest using the date as size or a checksum probably wouldn't work where the file in the library was an EPUB but the one on a Kobo was KEPUB. BobC | 
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|  12-12-2020, 01:25 PM | #2 | 
| Zealot            Posts: 110 Karma: 194274 Join Date: Jun 2011 Location: Montreal Device: Kobo, Calibre | 
			
			The KoboTouchExtended driver has a tab with the options for 'Update metadata on device' and 'Update metadata on Book Details pages'. For Android maybe the Reading List add-on set to "Add/overwrite all items on device". This can be very slow if you have too many books. Last edited by uli; 12-12-2020 at 01:27 PM. | 
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|  12-12-2020, 03:19 PM | #3 | 
| Custom User Title            Posts: 11,352 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD | 
			
			I use Reading List and a clear-on-sync add/overwrite list called "Send to Device."  I also have a tristate boolean column, #onkobo. Undefined = not on device. Yes = current version on device. No = Need to re-upload (mostly updated fanfics). I use custom column icons to replace the checks. For multiple devices, a fixed-value or tag-like column might work better, e.g. Kobo (Up-to-date), Android (Need to Sync) | 
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|  12-12-2020, 03:27 PM | #4 | |
| Resident Curmudgeon            Posts: 80,746 Karma: 150249619 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3 | Quote: 
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|  12-12-2020, 03:32 PM | #5 | 
| Custom User Title            Posts: 11,352 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD | 
			
			Admittedly, you can just use the reading lists and just ignore the column altogether. I just use it so I know what books are on my device.
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|  12-13-2020, 11:57 AM | #6 | 
| Guru            Posts: 691 Karma: 3026110 Join Date: Dec 2008 Location: Lancashire, U.K. Device: BeBook 1, BeBook Pure, Kobo Glo, (and HD),Energy Sistem EReader Pro + | 
			
			Thanks to all for the ideas - I already have a tristate column that I use to show that the book has been updated, however the problem is in tracking to which devices the updated version has been transferred. It would need six or seven other columns (one for each device) and a lot of manual updating to do this which is why I was looking for some way of easily comparing file dates (though thinking about it that may not work as the devices filestamp probably reflects when the file was uploaded rather than the original library filestamp date). I just didn't want to have to do device updates on a stack of readers each time I edited a book. At least I know that the problem isn't a matter of using an add-on I hadn't heard of or using some less obvious facility of Calibre itself. Perhaps the simplest way would be an old-fashioned paper form - fill in when I update a book and tick off the devices when I update them. BobC Last edited by BobC; 12-13-2020 at 11:58 AM. Reason: change second "simple" to "old-fashioned" | 
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|  12-13-2020, 12:25 PM | #7 | |
| Resident Curmudgeon            Posts: 80,746 Karma: 150249619 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3 | Quote: 
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|  12-13-2020, 12:51 PM | #8 | 
| Custom User Title            Posts: 11,352 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD | 
			
			What I would suggest is making device-specific Reading Lists (add/overwrite all, auto-sync, clear-on-sync). Then as you plug your devices on the books will be updated.
		 Last edited by ownedbycats; 12-13-2020 at 01:20 PM. | 
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|  12-13-2020, 01:10 PM | #9 | |
| hopeless n00b            Posts: 5,126 Karma: 19597086 Join Date: Jan 2009 Location: in the middle of nowhere Device: PW4, PW3, Libra H2O, iPad 10.5, iPad 11, iPad 12.9 | Quote: 
 I use separate master directories for Kindle formats and EPUB. For Kindle: Code: robocopy "%userprofile%\Dropbox\ebooks\kindle" "%~d0\documents" /s /xx /fft /dst /r:0 /w:0 /np /ndl For Kobo or KOReader: Code: robocopy "%userprofile%\Dropbox\ebooks\epub" "%~d0\epub" /s /xx /fft /dst /r:0 /w:0 /np /ndl | |
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|  12-13-2020, 01:18 PM | #10 | 
| Resident Curmudgeon            Posts: 80,746 Karma: 150249619 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3 | 
			
			To update an eBook I've changed, I use Reading List to do so because I don't have to remember to do it or which eBook. I just have to plug in the Kobo with Calibre running and it works.
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|  12-13-2020, 01:25 PM | #11 | |
| Guru            Posts: 691 Karma: 3026110 Join Date: Dec 2008 Location: Lancashire, U.K. Device: BeBook 1, BeBook Pure, Kobo Glo, (and HD),Energy Sistem EReader Pro + | Quote: 
 Thanks. BobC | |
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|  12-13-2020, 03:19 PM | #12 | |
| Resident Curmudgeon            Posts: 80,746 Karma: 150249619 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3 | Quote: 
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|  12-13-2020, 03:42 PM | #13 | |
| Guru            Posts: 691 Karma: 3026110 Join Date: Dec 2008 Location: Lancashire, U.K. Device: BeBook 1, BeBook Pure, Kobo Glo, (and HD),Energy Sistem EReader Pro + | Quote: 
 Just done it when I got the message and checked DRM. Now to make sense of Action Chains. BobC | |
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|  12-13-2020, 03:56 PM | #14 | 
| Custom User Title            Posts: 11,352 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD | 
			
			Here's where to look when adding an action: I have a chain to add to my send-to-device list, update the #onkobo column, and edit the #kobocoll column.   Last edited by ownedbycats; 12-13-2020 at 03:59 PM. | 
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|  12-13-2020, 04:27 PM | #15 | 
| Resident Curmudgeon            Posts: 80,746 Karma: 150249619 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3 | |
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