Quote:
Originally Posted by theducks
#onkobo:true
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Actually, you should use #onkobo:yes. In calibre searches, the search term "true" tests whether a column has a value. For Yes/No columns, both Yes and No are values so "true" will find both of these. An empty cell has no value, so "true" won't find these.
#onkobo:no will find books with the value "no". It won't find "yes" or empty columns.
Of course, "true" will work if the column values are either "yes" or empty, and never "no".
The search documentation in the calibre manual goes into detail about the meaning of search terms.