Convert and custom metadata

Hortensia · 11-06-2021, 02:21 PM

Hello, I am converting an ebook from HTML to AZW3 using the command line (as part of a larger batch script) with the calibre converter. I can insert "standard" metadata into the AZW3 file as shown below with the "authors" field:

Code:

ebook-convert book.html %booktitle%.azw3 --authors %bookauthor%

I would like to insert metadata that goes into a calibre custom column: #words.
I checked Calibre manual (https://manual.calibre-ebook.com/conversion.html) but could not find a solution.

Is it possible to automatically save custom metadata during conversion from the command line?

kovidgoyal · 11-06-2021, 11:07 PM

The azw3 format doesnt have support for custom metadata as far as I recall.

Hortensia · 11-07-2021, 06:11 AM

Thank you for your answer

Since it is not possible, I found a workaround by passing the info into the publisher field. Then, using the Action Chains plugin and its event manager, I automatically get this info into my custom #words field when adding the books to Calibre.

11-06-2021, 02:21 PM	#1
Hortensia Enthusiast Posts: 30 Karma: 10 Join Date: Jul 2021 Device: Kindle Paperwhite, Kobo Libra 2	Convert and custom metadata Hello, I am converting an ebook from HTML to AZW3 using the command line (as part of a larger batch script) with the calibre converter. I can insert "standard" metadata into the AZW3 file as shown below with the "authors" field: Code: ebook-convert book.html %booktitle%.azw3 --authors %bookauthor% I would like to insert metadata that goes into a calibre custom column: #words. I checked Calibre manual (https://manual.calibre-ebook.com/conversion.html) but could not find a solution. Is it possible to automatically save custom metadata during conversion from the command line?

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11-06-2021, 11:07 PM	#2
kovidgoyal creator of calibre Posts: 45,617 Karma: 28549044 Join Date: Oct 2006 Location: Mumbai, India Device: Various	The azw3 format doesnt have support for custom metadata as far as I recall.

11-07-2021, 06:11 AM	#3
Hortensia Enthusiast Posts: 30 Karma: 10 Join Date: Jul 2021 Device: Kindle Paperwhite, Kobo Libra 2	Thank you for your answer Since it is not possible, I found a workaround by passing the info into the publisher field. Then, using the Action Chains plugin and its event manager, I automatically get this info into my custom #words field when adding the books to Calibre.

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