Sort I18n yaml files

i18n_yaml_sort.rb

# Recursive sorting algorithm for Hash

class Hash
  def sort_by_key(recursive = false, &block)
    self.keys.sort(&block).reduce({}) do |seed, key|
      seed[key] = self[key]
      if recursive && seed[key].is_a?(Hash)
        seed[key] = seed[key].sort_by_key(true, &block)
      end
      seed
    end
  end
end


locales = Dir.glob("#{Rails.root}/config/locales/**/*.yml")
locales.each do |locale_path|
	# YAML to Hash conversion
	hash = HashWithIndifferentAccess.new(YAML.load(File.read(locale_path)))
	File.open(locale_path, 'w') { |f|  f << hash.sort_by_key(true).to_yaml}
end