sudo gem install fastercsv

require 'rubygems'
require 'fastercsv' 

FasterCSV.foreach('./imAreas.csv') do |row|
	e1 = row[0]
	e2 = row[2]
	e3 = row[3]
        .........
end

products = Array.new

products << {'name'=>'one', 'price'=>100}
products << {'name'=>'two', 'price'=>200}
products << {'name'=>'three', 'price'=>50}

products.sort_by { |p| p['name'] }

products.sort_by { |p| p['price'] }