Rake task to load seed data from YAML files

load_seed_data_from_fixtures.rb

namespace :seed_data do
  desc 'Load seed data into the database of the current environment'
  task :load => :environment do
    require 'active_record/fixtures'
    Dir.glob(RAILS_ROOT + '/db/seed_data/*.yml').each do |file|
      Fixtures.create_fixtures('db/seed_data', File.basename(file, '.*'))
    end
  end
end