Here's a snippet from one I wrote earlier. (A perl telnet client actually, which seems to be essentially what you want) :
my $sockets = new IO::Select();
$sockets->add(\*STDIN);
my $tel = new IO::Socket::INET( PeerAddr => $hostname,
PeerPort => $port,
Proto => 'tcp',
Timeout => 60 );
die "Can't connect to $hostname ($!)" unless $tel;
$sockets->add($tel);
while(1)
{
my @handles;
@handles = $sockets->can_read(0.5);
foreach $handle (@handles)
{
if($handle == $tel)
{
$data = <$tel>;
last if(!$data);
print STDOUT $data;
}
elsif ($handle == \*STDIN)
{
$line = <STDIN>;
chomp($line);
if ($line eq 'q' || $line eq 'quit')
{
$finish = 1;
last;
}
else
{
print $tel $line."\r\n";
}
}
}
}
I've simplified it some, you will need to probably read from the telnet socket using recv instead of <>, since this will hang when telnet sends lines without endling newline characters (which it is apt to do).
C.
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