title: Simple perl program failing to execute
body: <p>Here is a sample that fails:</p>
  
  <pre><code>#!/usr/bin/perl -w
  # client.pl
  #----------------
  
  use strict;
  use Socket;
  
  # initialize host and port
  my $host = shift || 'localhost';
  my $port = shift || 55555;
  my $server = "10.126.142.22";
  
  # create the socket, connect to the port
  socket(SOCKET,PF_INET,SOCK_STREAM,(getprotobyname('tcp'))[2])
     or die "Can't create a socket $!\n";
  connect( SOCKET, pack( 'Sn4x8', AF_INET, $port, $server ))
         or die "Can't connect to port $port! \n";
  
  my $line;
  while ($line = &lt;SOCKET&gt;) {
      print "$line\n";
  }
  close SOCKET or die "close: $!";
  </code></pre>
  
  <p>with the error: </p>
  
  <pre><code>Argument "10.126.142.22" isn't numeric in pack at D:\send.pl line 16.
  Can't connect to port 55555!
  </code></pre>
  
  <p>I am using this version of Perl:</p>
  
  <pre><code>This is perl, v5.10.1 built for MSWin32-x86-multi-thread
  (with 2 registered patches, see perl -V for more detail)
  
  Copyright 1987-2009, Larry Wall
  
  Binary build 1006 [291086] provided by ActiveState http://www.ActiveState.com
  Built Aug 24 2009 13:48:26
  
  Perl may be copied only under the terms of either the Artistic License or the
  GNU General Public License, which may be found in the Perl 5 source kit.
  
  Complete documentation for Perl, including FAQ lists, should be found on
  this system using "man perl" or "perldoc perl".  If you have access to the
  Internet, point your browser at http://www.perl.org/, the Perl Home Page.
  </code></pre>
  
  <p>While I am running the netcat command on the server side. Telnet does work.</p>