to add books to check if the version already in the library
Hi, I'm downloading some books from a site to download to my pc the file name of the book is so, for example: Freud, Sigmund - Applied Psychoanalysis and Technical Psychoanalytic [28025] (r1.0), I want to make is that Calibre by adding the books, which reconnoitre if there is already a version equal to or greater in my library, then do not add it, I can think for example tells me that there is a duplicate, but does not tell me if it is a version less than, equal to or greater than they already have in my library, how could you do this, there are some plugin that I'm missing? or a regular expression?
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