man_blowing_a_bubble.rb

#!/usr/bin/env ruby

require 'terminfo'

system('clear')

y, x = TermInfo.screen_size.map { |d| (d / 2) - 1 }

$stdout.write("#{"\n" * (y - 3)}#{" " * (x - 10)}Man Blowing A Bubble\n\n\n")

indent = " " * (x - 1)

%w(:, :o :O :x).each do |state|
  $stdout.write("#{indent}#{state}\r")
  sleep(1)
end

system('clear')