gistfile1.txt

Ruby 1.9.3:

irb(main):001:0> string = 'foo'
=> "foo"
irb(main):002:0> string.each { |bar| puts bar }
NoMethodError: undefined method `each' for "foo":String
	from (irb):2
	from /opt/boxen/rbenv/versions/1.9.3/bin/irb:12:in `<main>'


Ruby 1.8.7:

>> string = 'foo'
=> "foo"
>> string.each { |bar| puts bar }
foo
=> "foo"