eventmachine-tail bug

command line

touch tailme

# Tail the same file twice
tailer.rb tailme

echo "smth" |cat >tailme

# results:
Tailing tailme
Tailing tailme
tailme: smth

tailer.rb

require 'eventmachine'
require 'eventmachine-tail'
$DEBUG= true
class Reader < EventMachine::FileTail
  def initialize(path, startpos=-1)
    super(path, startpos)
    puts "Tailing #{path}"
    @buffer = BufferedTokenizer.new
  end

  def receive_data(data)
    @buffer.extract(data).each do |line|
      puts "#{path}: #{line}"
    end
  end
end

def main(args)
  if args.length == 0
    puts "Usage: #{$0} <path> [path2] [...]"
    return 1
  end

  EventMachine.run do
    args.each do |path|
      EventMachine::file_tail(path, Reader)
    end
  end
end # def main

exit(main(ARGV))