Thread: [GUI Plugin] Count Pages
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Old 01-25-2014, 02:03 PM   #624
Katsunami
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Hold tight....

Code:
#pgs:false
That's it. It returns all books for which #pgs has no value. If #pgs is 0, it DOES have a value, and so the book will not be returned.

If you want to find all books that either have no value for #pgs or have a value of 0 or less (maybe due to an error), use this:

Code:
(#pgs:false OR #pgs:<=0)
And yes, this works as well to find all books for which no useful page number is defined:

Code:
(NOT #pgs:>=1)
The following finds all books by Tolkien, that have no page number, or a number of 0 or lower:

Code:
(#pgs:false OR #pgs:<=0) AND (author:Tolkien)
This also works:

Code:
(NOT #pgs:>=1) AND (author:Tolkien)
===

I like to use brackets to avoid confusion about where an operand belongs.

Code:
(NOT #pgs:>=1) AND (NOT author:Salvatore)
As I don't know Calibre's precedence rules by heart (and they are sometimes different between programming languages as well), I just avoid all confusion and always use brackets. It never fails.
Last edited by Katsunami; 01-25-2014 at 02:24 PM.
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