Quote:
Originally Posted by NillaGoon
I'd love to be able to invoke it explicitly since it's potentially less disruptive than Convert and it apparently works for PDF files as well.
|
I use the catalog feature to create a csv for the pdfs whose metadata I want to update. I munge the csv via a text editor to create exiftool commands to update the pdf metadata - as I want it updated. The pdf files I update are the ones in the calibre library folders.
The only PDF metadata fields that calibre has ever updated for me when I did a save to disk was Author and Title. But it only did it on some books. As far as I can tell, whether it did or not, had nothing to do with the pdf being secured or protected. I didn't delve too deep because I wanted more than Author and Title.
I'm familiar with exiftool for manipulating embedded image metadata so using it to do the same for PDF's was a no-brainer for me.
There is also the ebook-meta cli program that can inject and extract metadata into and from ebooks. I haven't used it but I would assume its the same code as the GUI uses when it does a save to disk.
BR