csv_unparse.rb

require 'csv'

# Please someone include this in the csv module proper. Thanks.
# Public domain. Author: Felix Rabe (heavily based on 1.9.3 stdlib csv docs)

class CSV
  def CSV.unparse array, opts = {}
    CSV.generate(opts) do |csv|
      array.each { |i| csv << i }
    end
  end
end