Generates YAML files from a directory of CSVs using libraries that know what they are doing.

csv_to_yml.rb

require 'csv'
require 'yaml'

dir ||= ENV["CSV_DIR"]

Dir["#{dir}/*.csv"].each do |file|

  set    = []
  fields = []
  index  = 0
  
  CSV.foreach(file) do |row|
    if index == 0
      fields = row.map { |f| f.chomp }
    else
      build = {}
      fields.each_with_index do |field, i|
        build[field] = row[i]
      end
      set << build
    end
    index += 1  
  end

  File.write("#{file}.yml", set.to_yaml)
end