Easiest way to generate a new cover using cli tools only?

signum · 02-26-2015, 08:12 PM

I use the CLI tools to convert pdfs and edit epubs. It seems like every time I convert a pdf to epub, something gets messed up in the Title or Author fields and the generated front cover is wrong. The rest of the pdf junk I have no problem with. It's no biggie to go in and correct the name and author fields in thbe epub with the metadata editor, but regenerating a new front cover with the updated information is a hassle. What I've been doing is to remove the original generated cover and its associated jpeg, do an epub-to-epub conversion, delete the old version, then proceed to work on the version with the newly-created front cover. Is there an easier way? Suggestions using CLI only, please.

eschwartz · 02-26-2015, 10:37 PM

Well, just in the GUI, you can always create a new cover and do Embed Metadata.

I don't believe there is a CLI entry point for Generate Covers.

You should be able to do it with a calibre-debug script though.

kovidgoyal · 02-26-2015, 11:06 PM

Why dont you just specify a title and author in your conversion command line.

signum · 02-27-2015, 01:28 PM

Dur! Didn't even think of that.

signum · 02-27-2015, 02:25 PM

Works great - just as expected! Thanks, Kovid, for helping me clear the cobwebs from my mind.

02-26-2015, 08:12 PM	#1
signum Zealot Posts: 119 Karma: 64428 Join Date: Aug 2011 Device: none	Easiest way to generate a new cover using cli tools only? I use the CLI tools to convert pdfs and edit epubs. It seems like every time I convert a pdf to epub, something gets messed up in the Title or Author fields and the generated front cover is wrong. The rest of the pdf junk I have no problem with. It's no biggie to go in and correct the name and author fields in thbe epub with the metadata editor, but regenerating a new front cover with the updated information is a hassle. What I've been doing is to remove the original generated cover and its associated jpeg, do an epub-to-epub conversion, delete the old version, then proceed to work on the version with the newly-created front cover. Is there an easier way? Suggestions using CLI only, please.

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02-26-2015, 10:37 PM	#2
eschwartz Ex-Helpdesk Junkie Posts: 19,421 Karma: 85400180 Join Date: Nov 2012 Location: The Beaten Path, USA, Roundworld, This Side of Infinity Device: Kindle Touch fw5.3.7 (Wifi only)	Well, just in the GUI, you can always create a new cover and do Embed Metadata. I don't believe there is a CLI entry point for Generate Covers. You should be able to do it with a calibre-debug script though.

02-26-2015, 11:06 PM	#3
kovidgoyal creator of calibre Posts: 45,609 Karma: 28549044 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Why dont you just specify a title and author in your conversion command line.

02-27-2015, 01:28 PM	#4
signum Zealot Posts: 119 Karma: 64428 Join Date: Aug 2011 Device: none	Dur! Didn't even think of that.

02-27-2015, 02:25 PM	#5
signum Zealot Posts: 119 Karma: 64428 Join Date: Aug 2011 Device: none	Works great - just as expected! Thanks, Kovid, for helping me clear the cobwebs from my mind.

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