How to write columns header to a csv file with Ruby?

How to write columns header to a csv file with Ruby?

ruby ruby-on-rails-3 csv fastercsv

ruby

CSV - Unquoted fields do not allow \r or \n (line 2)

ruby-on-rails ruby csv fastercsv

ruby

fastercsv error with ruby 1.9.2

ruby-on-rails ruby gem fastercsv

ruby

Overcoming a basic problem with CSV parsing using the FasterCSV gem

ruby fastercsv

ruby