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Extract text from a Portable Document Format (PDF) file.
PDF_text(file)
A character vector with the extracted texts for each page.
A character string giving the path to a PDF file, or an object of class "PDF_doc" giving a reference to a PDF file.
"PDF_doc"
file <- system.file(file.path("doc", "Sweave.pdf"), package = "utils") PDF_text(file)
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