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Old 10-06-2013, 03:08 PM   #5
BetterRed
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I wonder if this could be done with a third column (true false), which is based on the results of a template that compares the two columns in some way. See http://manual.calibre-ebook.com/template_lang.html

My skills in this facet of calibre are scratchy at best but I think that's where I'd start experimenting. Templates have several modes of operation - simple, advanced, single function, template program and general program. I suspect you'd need to use one of the program modes.

BR
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