gistfile1.rb

require 'digest/sha1'
require 'sqlite3'

def sha1(s)
  Digest::SHA1.hexdigest(s)
end

backup_dir = '1b345454cbec76848e94c41ce0a2d6b7328973e9'
backup_path = "#{ENV['HOME']}/Library/Application Support/MobileSync/Backup/#{backup_dir}"

domain = "CameraRollDomain"
file = "Media/PhotoData/Photos.sqlite"

hash = sha1 "#{domain}-#{file}"
db = SQLite3::Database.new "#{backup_path}/#{hash}"
db.execute("select zdirectory, ZFILENAME from zgenericasset").each do |row|
  puts row[1]
  hash = sha1 "#{domain}-Media/#{row.join('/')}"
  system "cp '#{backup_path}/#{hash}' media/#{row[1]}"
end