How write into CSV file properly

i am using ruby 1.9.2 and also use its csv library.I want to write in csv properly just like this ``` name,country_code,destination,code Afghanistan,93,Bamain,51 Afghanistan,93,Bamain,52 Afghanistan,93,Bamain,53 Afghanistan,93,Parwan,91 ``` My code is this ``` def export_data @coun = Country.all(:limit => 10) header = "name,country_code,destination,code" file = "my_file.csv" File.open(file, "w") do |csv| csv << header @coun.each do |c| csv << [c.name, c.country_code, c.user_id, c.subscriber_id] # How puts line break here end end send_file(file) end ``` I have mention above how puts i line break there in CSV file and also omit this sigh which covers every row in CSV"[]" ``` Like ["Finland",1,1,2334] ``` Thanks in advance..