Sort JSON content (for easy comparison)

sort-json.rb

#!/usr/bin/env ruby

require 'json'

def sort_json(json)
  case json
  when Hash; Hash[json.map { |k, v| [k, sort_json(v)] }.sort_by { |k| k }]
  when Array; json.map { |v| sort_json(v) }.sort_by{ |v| v.to_json }
  else json
  end
end

puts sort_json(JSON.parse(STDIN.read, max_nesting: 1000)).to_json