jsonを出力する

サンプル
#coding:utf-8
require 'json'
print("Content-type: application/json\n\n")

print JSON.generate({"time"=>Time.now.strftime("%Y-%m-%d %H:%M:%S"),
                    "user"=>[
                                {"id" => 32, "name"=>"jeff"},
                                {"id" => 56, "name"=>"john"}
                            ]
                    })