Simple Model Export of CSV with fatester CSV.rb

@items = MyModel.all
@columns = MyModel.column_names

respond_to do |format|
  format.csv do
    my_csv = FasterCSV.generate do |csv|
      # header row
      csv << @columns

      # data rows
      line = []
      @items.each do |item|
        @columns.each do |column|
          line << [item.send(column).to_s]
        end
        csv << line
        line = []
      end 
    end

    send_data(my_csv, :type => 'text/csv', :filename => 'my_csv.csv')
  end
end