Output Camera Models for iPhoto

scan_cameras.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'exifr'
require 'fileutils'
require 'logger'

class PictureScanner

  def self.scan_files(source_dir)
    cameras = {}
    Dir[source_dir + '/**/*'].each do |file|
      if !File.directory?(file)
        begin
          exif = EXIFR::JPEG.new(file)
          if !cameras[exif.model]
            cameras[exif.model] = 1
          else
            cameras[exif.model] = cameras[exif.model] + 1
          end
        rescue EXIFR::MalformedJPEG => ex
          self.log("#{ex} : #{file}")
        end
      end
    end
    cameras.each do |model, count|
      puts "#{model}: #{count}"
    end
  end

  def self.log(text)
    @logger ||= Logger.new('Camera_Scan_Errors.txt')
    @logger.info(text)
  end

end

PictureScanner.scan_files('/Users/jbasdf/Pictures/iPhoto Library/Originals')