#!/usr/koeki/bin/ruby
# -*- coding: utf-8 -*-

IO.foreach("roll.txt") do |msg|
  msg.chomp!
  length=msg.length
  0.upto(length-1) do |i|
    STDERR.print "\r" + " "*(length-1-i) + msg[0..i] + "  "
    sleep(0.05)
  end
  print "\n"
end