Quickly dump ActiveRecord to CSV (Ruby 1.9)

Quickly dump ActiveRecord to CSV (Ruby 1.rb

def dump_model(klass)
  File.open("#{klass.to_s.underscore.pluralize}.csv", 'w+') do |f|
    columns = klass.columns.collect(&:name)
    output = CSV.generate do |csv|
      csv << columns.map { |column| klass.human_attribute_name(column) }
      klass.all.each do |item|
        csv << columns.collect { |column| item.send(column) }
      end
    end
    f.puts output
  end
end


dump_model(Posts) # => look in RAILS_ROOT/posts.csv