Generate language.yml from csv

csv_to_yml.rb

require 'csv'
require 'yaml'

csv = CSV.open(ARGV[0], 'r')
header = csv.take(1)[0]

hash = {}
language_ids = []

header.each_with_index do |language_id, index|
  next if index == 0
  hash[language_id] = {}
  language_ids << language_id
end

csv.each do |row|
  key = ""
  row.each_with_index do |cell, index|
    if index == 0
      key = cell
    else
      language_id = language_ids[index-1]
      hash[language_id][key] = cell
    end
  end
end

File.open('language.yml', 'w'){|f| f.write(hash.to_yaml) }