gistfile1.rb

# produce an array of active record models for a ruby on rails app
# by Michelangelo Altamore

def _models
  Dir.new(File.join(RAILS_ROOT, 'app', 'models')).select do |f| 
    f =~ /\.rb$/
  end.map do |file| 
    model = file.gsub!(/\.rb$/, '').camelize
    if model.constantize.ancestors.include?(ActiveRecord::Base)
      model
    else
      nil
    end
  end.compact
end if ENV.include?('RAILS_ENV')