The Kid back in town.

kid.rb

def char_to_block(sentence_ary, &block)
  if block_given? then
    sentence_ary.each do |sentence|
       sentence.split(//).each do |char|
         block.call(char)
       end
       puts
    end
  else
    puts sentence_ary.join("\n");
  end
  puts
end
 
if __FILE__ == $0
  sentence = ["Hello word, again. Here's the kid back in town.", 
              "I know, it's bee a pretty while.", "I know."]
  char_to_block(sentence) { |char|
    sleep(0.2)
    print char
  }
end