rfprsn.rb

class Rfprsn
  include DataMapper::Resource
  ...
  def self.imported?
    if File.exist?(FILE_IN)
      options = {:headers           => true,
                 :header_converters => :symbol}
      lines = []

      self.all.destroy! # make sure we are empty first!

      FasterCSV.foreach(FILE_IN, options) do |row|
        self.create(row.to_hash)
      end
      return true
    end
    false
  end
end