swimming in bash

swimming.rb

module Kernel
  @@frame1 = "              ======== ᙅ ⎌ ᙂ ========"
  @@frame2 = "              ======== ᘩ ⎌ ᘵ ========"
  @@framepos = 1

  def swim
    frame = @@framepos == 1 ? @@frame1 : @@frame2
    print frame
    sleep 0.3
    print "\b" * frame.size
    STDOUT.flush
    @@framepos = @@framepos == 1 ? 2 : 1
    swim
  end
end

puts
puts "                     swimming!"
puts
swim