restore.rb

# -*- encoding: utf-8 -*-
require "active_record"
require "erb"

config = YAML.load_file( './database.yml' )
ActiveRecord::Base.establish_connection(config["db"]["development"])

class Entry < ActiveRecord::Base
end

Entry.all.to_a.each do |entry|
  body = <<"EOS"
+++
date = "#{entry.updated_at.strftime('%Y-%m-%d')}"
title = "#{entry.title}"
author = "himanoa"
+++

#{entry.body}
EOS
  File.write("content/#{entry.id}.md", body)
end