#!/usr/bin/perl

# Copyright 2002-2007, Paul Johnson (pjcj@cpan.org)

# This software is free.  It is licensed under the same terms as Perl itself.

# The latest version of this software should be available from my homepage:
# http://www.pjcj.net

use strict;
use warnings;

my @x;

sub xx
{
  $x[shift]++;
}

for (0 .. 10)
{
  time &&
    $x[1]++;

  $x[2]++
    if time;

  for (0 .. 2)
  {
      $x[3]++;
  }

  if (time)
  {
    xx(4);
  }
  else
  {
    $x[5]++;
  }
}