Count the words of a PDF file from Skim

Here is a small AppleScript for counting the words of a PDF file from Skim.

tell application "Skim"
    set PDFwords to 0
    set numberOfMyPages to count pages of document 1
    repeat with currentPage from 1 to numberOfMyPages
        set numberOfPageWords to count words of page currentPage of document 1
        set PDFwords to PDFwords + numberOfPageWords
    end repeat
    display dialog "Number of words: " & PDFwords buttons {"Cancel", "OK"} default button 2
end tell

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