#!/usr/bin/perl -w
use IO::Socket;
my $sock = new IO::Socket::INET (
                                 PeerHost => shift || 'localhost',
                                 PeerPort => 7070,
                                 Proto => 'tcp',
                                );
die "Could not create socket: $!\n" unless $sock;
print $sock "Hello there!\n";
close($sock);

##</code><code>##

#!/usr/bin/perl -Tw
use IO::Socket;
my $sock = new IO::Socket::INET (
                                 LocalHost => 'localhost',
                                 LocalPort => shift || 7070,
                                 Proto => 'tcp',
                                 Listen => 1,
                                 Reuse => 1,
                                );
die "Could not create socket: $!\n" unless $sock;
my $socket;
my $data;
for ( ; $socket = $sock->accept(); close $socket) {
  while ($data = <$socket>){
    print $data;
  }
}
close($sock);