srMarquinho/ruby_shell_spinner.rb

## ruby_shell_spinner.rb
# tested ruby 1.8

class Spinner
  include Enumerable
  def each
    loop do
      yield '|'
      yield '/'
      yield '-'
      yield '\\'
    end
  end
end

spinner = Spinner.new.enum_for(:each)


# print this inside the loop
  print spinner.next
  print "\r"
  $stdout.flush
	# tested ruby 1.8

	class Spinner
	include Enumerable
	def each
	loop do
	yield '\|'
	yield '/'
	yield '-'
	yield '\\'
	end
	end
	end

	spinner = Spinner.new.enum_for(:each)


	# print this inside the loop
	print spinner.next
	print "\r"
	$stdout.flush