Ryan Bates zeigt in seinem Screencast wie man dies lösen kann.

Downloadlinks:
Download (13.5 MB, 7:56)
Alternativer download für iPod & Apple TV (9.3 MB, 7:56)

Weitere Ressourcen:

• Rails 2.3.4 Release Notes
• Episode 126: Populating a Database
• Seed-Fu
• Bootstrapper

Quellcode:

script/generate model operating_system name:string
script/generate model country name:string code:string
rake db:migrate
rake db:seed

# db/seeds.rb
require 'open-uri'
require 'active_record/fixtures'

["Windows", "Linux", "Mac OS X"].each do |os|
  OperatingSystem.find_or_create_by_name(os)
end

Country.delete_all
open("http://openconcept.ca/sites/openconcept.ca/files/country_code_drupal_0.txt") do |countries|
  countries.read.each_line do |country|
    code, name = country.chomp.split("|")
    Country.create!(:name => name, :code => code)
  end
end

Fixtures.create_fixtures("#{Rails.root}/test/fixtures", "operating_systems")