YAML

require 'yaml'
class Person
  attr_accessor :name, :age
end

fred = Person.new
fred.name = "Fred Bloggs"
fred.age = 45

laura  = Person.new
laura.name = "Laura Smith"
laura.age = 23

test_data = [fred, laura]
puts YAML::dump(test_data)


yaml_string =<<END_OF_DATA
--- 
- !ruby/object:Person 
  age: 45
  name: Fred Bloggs
- !ruby/object:Person 
  age: 23
  name: Laura Smith
END_OF_DATA



test_data = YAML::load(yaml_string)
puts test_data[0].name