user@home:~$ irb
irb(main):001:0> class Test
irb(main):002:1> def initialize
irb(main):003:2> data = {}
irb(main):004:2> data['one'] = 'some variable'
irb(main):005:2> data['two'] = 'another variable'
irb(main):006:2> data.each do |key, value|
irb(main):007:3* eval("@#{key} = #{value}")
irb(main):008:3> end
irb(main):009:2> end