dot dot dot - simple loading indicator for the console

dot_dot.rb

class DotDot
  def self.dot(starting_text = "Loading", completed_text = "Done!")
    print starting_text
    thread = Thread.new { loop { print '.'; sleep 1 } }
    yield if block_given?
    Thread.kill(thread)
    print "\n"
    puts completed_text
  end
end

usage.md

DotDot.dot do
  # run stuff that takes a long time
  require 'config/environment'
end
Loading....................
Done!