Quote:
Originally Posted by realzi
As far as i understand the plugin iterates through the whole library and makes a list of ISBNs. If the most recent one was already on the list, it gets marked as a duplicate, if it was not, it is put on the list. So far so simple, i just struggle to see a way to compare filesizes in this process.
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You can't with the find duplicates plugin. It is possible with Action Chains using a template that for each book searches for others with the same ISBN then for each of the results check for identical book sizes, but the template will be very complicated and the process horribly slow. I am not interested in helping write such a template.
If you really want to do this (
) then I suggest you make a custom column containing the book format size (you are comparing the same formats?). Then use find duplicates to find ISBN duplicate sets. For each set, sort the booklist by the format file size and manually delete any that your Mark 1 eyeball say are the same size.
Or write an Action Chains template that iterates through the selection sets finding books with the same size and deleting one of them. Personally I think this is madness, but I am not you.
The easiest solution is probably to write a python program that uses the calibre API to do the nested scans, but that is "easiest" only if you are a programmer.