ヘッダ付きCSVデータを生成する

11-13.rb

require 'csv'

headers = %w(name age gender)
people = [
   ['alice',14,'female'],
   ['bob',32,'unknown'],
   ['carol',17,'female']   
]

csv_string = CSV.generate('', write_headers: true, headers: headers) { |csv|
   people.each do |person|
	  csv << person
   end
}

puts csv_string
# >> name,age,gender
# >> alice,14,female
# >> bob,32,unknown
# >> carol,17,female