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cybmole · 01-12-2014, 08:47 AM

related question. where I have a previosuly read book. I will have both epub and original-epub in calibre library. the latter is my pre-tweaked version that I prefer to leave untouched.

( my work flow for any book I want to read is to add book to Calibre library & immediately convert it , epub to epub, - thus creating a backup, before I do any format editing. that way I can always get back to the original ( de-Drmed but that's all) version if ever I need to. I never then re-convert I tweak as needed via sigil or the new calibre editor.

if I were to now reconvert such a book, what is used as the source - the epub or the original-epub? & can I influence that e.g. by temporarily turning off the "make an original-epub backup" feature ( assuming I can remember where to do that ? )

UPDATE - answering my own question. modify epub - tick only " append CSS" - ( with just this 1 line of CSS in my default common options calibre preferences - seems to do the trick, and works on batches of books.

01-12-2014, 08:47 AM	#4
cybmole Wizard Posts: 3,720 Karma: 1759970 Join Date: Sep 2010 Device: none	related question. where I have a previosuly read book. I will have both epub and original-epub in calibre library. the latter is my pre-tweaked version that I prefer to leave untouched. ( my work flow for any book I want to read is to add book to Calibre library & immediately convert it , epub to epub, - thus creating a backup, before I do any format editing. that way I can always get back to the original ( de-Drmed but that's all) version if ever I need to. I never then re-convert I tweak as needed via sigil or the new calibre editor. if I were to now reconvert such a book, what is used as the source - the epub or the original-epub? & can I influence that e.g. by temporarily turning off the "make an original-epub backup" feature ( assuming I can remember where to do that ? ) UPDATE - answering my own question. modify epub - tick only " append CSS" - ( with just this 1 line of CSS in my default common options calibre preferences - seems to do the trick, and works on batches of books. Last edited by cybmole; 01-12-2014 at 09:29 AM.