Quote:
Originally Posted by BetterRed
AFAIK there's no simple way to add different non-ebook format files to existing books in bulk. So, I'd start from scratch.
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The theducks's hint helped to work around duplicates and this will only add new formats.
I used a single dot for regex pattern that is similar to global pattern single asterisk.
We can also use something like this regex for pattern to filter added files (this won't match files without extension!):
this will make the process faster. (I thought about and tested this after reading your post.)
In my case I can get a list of all file types I have in folder and use the needed ones.