Backup Instagram photos.

instagram_backup.rb

require 'fileutils'
require 'net/http'

require 'instagram'

USER_ID =  # Your id as integer.

def main
  photos = Instagram::by_user(USER_ID)
  photos.each do |photo|
    photo.images.each do |image_url|
      print "#{image_url} ... "

      image = URI.parse(image_url.to_s)
      image_path = image.path.sub(%r!^/!, '')
      image_dir, image_base = File.split(image_path)
      FileUtils.mkdir_p(image_dir) unless Dir.exist?(image_dir)
      File.open(image_path, 'wb') {|f| f.write(Net::HTTP.get(image)) }

      puts 'done.'
    end
  end
rescue => evar
  puts evar.message
end

if $0 == __FILE__
  main
end