Module: ImageValidator

Extended by:
ImageValidator
Included in:
ImageValidator
Defined in:
lib/image_validator.rb

Instance Method Summary collapse

Instance Method Details

#valid?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/image_validator.rb', line 4

def valid?(file)
  file = thing_to_io(file)
  check_image_magick_is_available
  IO.popen("identify - >/dev/null 2>&1", "w") do |identify|
    some_content_has_been_read = false
    while blk = file.read(1024**2)
      identify << blk
      some_content_has_been_read = true if blk != ""
    end
    return false unless some_content_has_been_read
  end
  $?.success?
end