From: Eric Christopherson <echristopherson@...>
Date: 2011-12-06T07:03:56+09:00
Subject: Re: Sending F3 to telnet

On Mon, Dec 5, 2011 at 1:04 AM, Angelo R. <asanramon@yahoo.com> wrote:
> Hello,
>
> I have been trying to figure out how to send F3 key in net::telnet. I
> tried the command telnet_session.cmd("\x00\x3d"), but it does
> not work. Does anyone know how to send an F3 to telnet? Any help is
> appreciated.
>
> Thanks,
> Angelo

That would depend on the terminal emulation the other end is
expecting. For something VT100-compatible, you'd have to send
"\033OR". For at least some xterms, you'd send "\033[13~".

<http://aperiodic.net/phil/archives/Geekery/term-function-keys.html>
has a good table (but I don't know how up-to-date it is).