Method: Docsplit::TransparentPDFs#is_pdf?

Defined in:: lib/docsplit/transparent_pdfs.rb

#is_pdf?(doc) ⇒ `Boolean`

Returns:

(Boolean)



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# File 'lib/docsplit/transparent_pdfs.rb', line 21

def is_pdf?(doc)
  File.extname(doc).downcase == '.pdf' || File.open(doc, 'rb', &:readline) =~ /\A\%PDF-\d+(\.\d+)?/
end