[Change dates ?]

vikbi8 · 04-25-2023, 05:22 AM

Hello,
I've got a questions about date. From Calibre, I've got [Date] fields (it means date of add into the library). From Kobo point of view, [Date] seems to mean "date of last update" (for exemple, I copy the book the 1st march, I modify the 30th of march something into the Calibre database then I copy the book into the Kobo, so, if I go into My Books / Sorted by Date, this book appears on top.
Is this possible to change the Kobo [Date] field and replace it by the Calibre [Date] ?
Thank you
Vincent

DNSB · 04-25-2023, 01:17 PM

I suspect that you are seeing the date the book was copied to your Kobo, i.e. the file timestamp on the Kobo device.

You could use the Kobo Utilities plugin's Update metadata in Device Library to set the date to *File timestamp, Kobo Last Read or calibre's Date, Modified or Published. I've never bothered to play with this feature so not certain how much use it will be to you.

theducks · 04-25-2023, 02:05 PM

Calibre has a (normally hidden) column: {last_modified}

This logs ANYTHING that changes the books metadata in Calibre. even a case only change.
Add a book, update metadata, edit (calibre editor), add a format (inc. conversions )

DNSB · 04-25-2023, 02:08 PM

Quote:

Originally Posted by theducks

Calibre has a (normally hidden) column: {last_modified}

That's the one that Kobo Utilities uses for Modified.

Quoth · 04-25-2023, 03:31 PM

I have three date columns side by side:
Published (I try to set this to first published on paper).
Date. Date added to Calibre
Modified (any change at all can change this and if a shared data, lots of ebooks change).
I'm thinking I need one "Last Sent to ereader", for each ereader so as to know if the Calibre version is changed, so really I also need a "Last changed in Editor or Converted" column too as some info not relevant to an ebook on an ereader can make the Calibre Last Modified date change.

vikbi8 · 04-26-2023, 06:38 AM

Hello,

I changed the Date to [Date], so, my library on Kobo reader has now the date of Calibre integration. That's what I was expected !

Thx

Vincent

04-25-2023, 05:22 AM	#1
vikbi8 Member Posts: 14 Karma: 10 Join Date: Jun 2019 Device: KOBO GLO HD	[Change dates ?] Hello, I've got a questions about date. From Calibre, I've got [Date] fields (it means date of add into the library). From Kobo point of view, [Date] seems to mean "date of last update" (for exemple, I copy the book the 1st march, I modify the 30th of march something into the Calibre database then I copy the book into the Kobo, so, if I go into My Books / Sorted by Date, this book appears on top. Is this possible to change the Kobo [Date] field and replace it by the Calibre [Date] ? Thank you Vincent

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04-25-2023, 01:17 PM	#2
DNSB Bibliophagist Posts: 46,149 Karma: 168983734 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	I suspect that you are seeing the date the book was copied to your Kobo, i.e. the file timestamp on the Kobo device. You could use the Kobo Utilities plugin's Update metadata in Device Library to set the date to *File timestamp, Kobo Last Read or calibre's Date, Modified or Published. I've never bothered to play with this feature so not certain how much use it will be to you.

04-25-2023, 02:05 PM	#3
theducks Well trained by Cats Posts: 31,047 Karma: 60358908 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	Calibre has a (normally hidden) column: {last_modified} This logs ANYTHING that changes the books metadata in Calibre. even a case only change. Add a book, update metadata, edit (calibre editor), add a format (inc. conversions )

04-25-2023, 03:31 PM	#5
Quoth Still reading Posts: 14,010 Karma: 105092227 Join Date: Jun 2017 Location: Ireland Device: All 4 Kinds: epub eink, Kindle, android eink, NxtPaper	I have three date columns side by side: Published (I try to set this to first published on paper). Date. Date added to Calibre Modified (any change at all can change this and if a shared data, lots of ebooks change). I'm thinking I need one "Last Sent to ereader", for each ereader so as to know if the Calibre version is changed, so really I also need a "Last changed in Editor or Converted" column too as some info not relevant to an ebook on an ereader can make the Calibre Last Modified date change.

04-26-2023, 06:38 AM	#6
vikbi8 Member Posts: 14 Karma: 10 Join Date: Jun 2019 Device: KOBO GLO HD	Hello, I changed the Date to [Date], so, my library on Kobo reader has now the date of Calibre integration. That's what I was expected ! Thx Vincent

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