#!/usr/bin/env ruby

#

# Copyright (c) 2011 Yazz D. Atlas

#

# Permission is hereby granted, free of charge, to any person obtaining

# a copy of this software and associated documentation files (the

# "Software"), to deal in the Software without restriction, including

# without limitation the rights to use, copy, modify, merge, publish,

# distribute, sublicense, and/or sell copies of the Software, and to

# permit persons to whom the Software is furnished to do so, subject to

# the following conditions:

#

# The above copyright notice and this permission notice shall be

# included in all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE

# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION

# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

require 'rubygems'

require "bundler/setup"

require 'json'

require 'yaml'

class Hash

# Replacing the to_yaml function so it'll serialize hashes sorted (by their keys)

#

# Original function is in /usr/lib/ruby/1.8/yaml/rubytypes.rb

#

# Credit goes to Dov Murik http://snippets.dzone.com/user/dubek

#

def to_yaml( opts = {} )

YAML::quick_emit( object_id, opts ) do |out|

out.map( taguri, to_yaml_style ) do |map|

sort.each do |k, v| # <-- here's my addition (the 'sort')

map.add( k, v )

end

end

end

end

end

raise Exception, 'you must provide a json files' unless ARGV[0]

my_hash = JSON.parse(File.open(ARGV[0]).read)

puts my_hash.to_yaml