/usr/share/doc/libanyevent-irc-perl/examples/notify is in libanyevent-irc-perl 0.97-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | #!/usr/bin/env perl
use common::sense;
use AnyEvent;
use AnyEvent::IRC::Client;
my $c = AnyEvent->condvar;
my $con = new AnyEvent::IRC::Client;
$con->reg_cb (
   connect => sub {
      my ($con, $err) = @_;
      if (defined $err) {
         warn "Couldn't connect: $err\n";
         $c->send;
      } else {
         print "Connected!\n";
      }
      $con->register (qw/testbot testbot testbot/);
   },
   registered => sub {
      my ($con) = @_;
      print "I'm in!\n";
      $con->reg_cb (buffer_empty => sub {
         my ($con) = @_;
         $con->unreg_me;
         $con->disconnect ("Message delivered!");
      });
      $con->send_msg (
         PRIVMSG => 'elmex', "Hello there i'm the cool AnyEvent::IRC test script!"
      );
   },
   disconnect => sub {
      print "I'm out ($_[1])!\n";
      $c->send
   },
);
$con->connect ("localhost", 6667);
$c->recv;
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