Importing from CSV into an array of hashed values mapped to csv fields

importer.v2.rb

require 'CSV'                                                                 
class ImportCSV                                                               
  class << self                                                               
    def parse csv_file                                                        
      CSV::Converters[:blank_nil] = lambda do |field|                         
        field && field.empty? ? nil : field                                   
      end                                                                     
      csv_data = CSV.read(csv_file, :headers => true,                         
                                    :header_converters => :symbol,            
                                    :converters => [:all, :blank_nil])        
      csv_data.map { |row| row.to_hash }                                      
    end                                                                       
  end                                                                         
end