move images from aperture lib into a clean directory structure

extract-from-aperture.rb

#!/bin/env ruby

require 'pp'
require 'fileutils'

# Intended for users who don't use aperture anymore (I moved back to linux)
# and need to rescue their photo library somehow.
# Takes two argument, source and target directory

@source = ARGV[0]
@target = ARGV[1]

puts "Copying from #{@source} to #{@target}"

def process_dir(dir)
  Dir.foreach(dir) do |file|
    if file == '.' || file == '..'
      next
    end
    file = [dir, file].join('/').gsub('//', '/')
    if File.directory?(file)
      process_dir(file)
    else
      process_file(file)
    end
  end
end

IMAGE_TYPES = %w(.jpg .png .tif .jpeg .tiff)
@discared = []
def process_file(file)
  ext = File.extname(file).downcase
  if file.match(/\/(Previews|Thumbnails)\//)
    return
  elsif IMAGE_TYPES.include? ext
    target = target_filename(file)
    if !target
      puts "Skipping #{file}"
      return
    end
    create_target_dir(target)
    puts "%s => %s" % [File.basename(file), target]
    FileUtils.cp(file, target, preserve: true)
  elsif !@discared.include?(ext)
    @discared.push ext
  end
end

def target_filename(filename)
  target = filename.dup
  target.gsub!(@source, @target + '/')
  target.gsub!(/(\.approject|\.apimportgroup)\//, '/')

  # remove last directory if we don't overwrite an existing file
  tmp = target.split('/')
  tmp[-2] = nil
  tmp = tmp.compact.join('/')
  if File.exist?(tmp)
    # Did we already copy that file?
    if File.size(tmp) == File.size(filename) && File.mtime(tmp) == File.mtime(filename)
      return false
    end
    return tmp
  end
  return target
end
def create_target_dir(filename)
  FileUtils.mkdir_p(File.dirname(filename))
end

process_dir(@source)
pp @discared