Method: EPUBMeta::Models::Cover#tempfile

Defined in:
lib/epubmeta/models/cover.rb

#tempfile(&block) ⇒ File

Cover file Tempfile is used to enable access to cover file If block is passed, the tempfile is passed to it and closed after the block is executed

cover.file do { |f| puts f.size }

Otherwise user is responsible to unlink and close tempfile

file = book.cover.file
file.size
file.close!

Returns:

  • (File) 


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# File 'lib/epubmeta/models/cover.rb', line 49

def tempfile(&block)
  tempfile = Tempfile.new('epubmeta')
  tempfile.binmode

  cover_file = @parser.zip_file.read(zip_file_path)
  tempfile.write(cover_file)

  if block_given?
    yield tempfile
    tempfile.close!
  else
    # user is responsible for closing file
    tempfile
  end
end