This is PerlMonks "Mobile"

Come for the quick hacks, stay for the epiphanies.
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Current Perl documentation can be found at perldoc.perl.org.

Here is our local, out-dated (pre-5.6) version:

Try the Net::FTP, TCP::Client, and Net::Telnet modules (available from CPAN). http://www.perl.com/CPAN/scripts/netstuff/telnet.emul.shar will also help for emulating the telnet protocol, but Net::Telnet is quite probably easier to use..

If all you want to do is pretend to be telnet but don't need the initial telnet handshaking, then the standard dual-process approach will suffice:

    use IO::Socket;             # new in 5.004
    $handle = IO::Socket::INET->new('www.perl.com:80')
            || die "can't connect to port 80 on www.perl.com: $!";
    $handle->autoflush(1);
    if (fork()) {               # XXX: undef means failure
        select($handle);
        print while <STDIN>;    # everything from stdin to socket
    } else {
        print while <$handle>;  # everything from socket to stdout
    }
    close $handle;
    exit;