Thread: filter books that only contain 1 format?
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Old 12-14-2016, 10:22 AM   #2
theducks
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Quote:
Originally Posted by deadman36g View Post
Is there a way to filter the books that contain only one format?

I am switching ereaders and I am wanting to know which books I have in only mobi and try to replace them with epubs

If I filter by mobi it shows the books that have mobi as well as epub, pdf, etc.
From the users Manual https://manual.calibre-ebook.com/gui...arch-interface

Code:
You can search for the number of items in multiple-valued fields such as tags. These searches begin with the character #, then use the same syntax as numeric fields. For example, to find all books with more than 4 tags use tags:#>4. To find all books with exactly 10 tags use tags:#=10.
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