Concat all i18n trads into one big file

gistfile1.rb

require "yaml"

class ::Hash
  # From activeressource
  def deep_merge(other_hash)
    self.merge(other_hash) do |key, oldval, newval|
      oldval = oldval.to_hash if oldval.respond_to?(:to_hash)
      newval = newval.to_hash if newval.respond_to?(:to_hash)
      oldval.class.to_s == 'Hash' && newval.class.to_s == 'Hash' ? oldval.deep_merge(newval) : newval
    end
  end

  # From http://dan.doezema.com/2012/04/recursively-sort-ruby-hash-by-key/
  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

ignored_folders = /\/admin\//
files = Dir.glob("config/locales/fr/**/*.yml")
files.delete_if{ |f| f.match(ignored_folders) }

all = {}

files.each do |file|
  puts file
  r = YAML.load_file(file)
  all = all.deep_merge(r)
end

all = all.sort_by_key(true)

if File.file?('tmp/merged.yml')
  File.delete('tmp/merged.yml')
end

File.open('tmp/merged.yml', 'w') {|f| f.write all.to_yaml }