yaml stringifier

stringify.rb

require 'yaml'

def stringify(hash, prefix = nil)
  hash.map { |k, v|
    scope = prefix ? "#{prefix}.#{k}" : k
    if v.is_a?(Hash)
      stringify v, scope
    else
      "#{scope}: #{v}"
    end
  }.flatten
end

filename = ARGV[0]

yaml = YAML.load_file filename
stringify(yaml).sort.each do |x|
  puts x
end