time.rb

#!/usr/bin/ruby

$stdout.sync = true

while now = Time.now
  # now = Time.at 60 * 30
  print "De tijd is nu: #{now.strftime("%H:%M:%S")}"

  if now.min + now.sec == 0
    print " ", "." * now.hour
  elsif now.min == 30
    print " ."
  end

  sleep 1
  print "\r"
end