Re: [Caml-list] calling telnet from a caml program

[Alan Schmitt <alan.schmitt@polytechnique.org>]

* Andrei Errapart (andreie@no.spam.ee) wrote:
> On Wed, 6 Nov 2002, Alan Schmitt wrote:
> > Hi,
> > 
> > I've spent a couple hours trying to make this work, but it does not want
> > to ... I want to call telnet from a caml program, send some commands,
> > and read some output. However there is something weird going on, as
> > telnet does not seem to flush anything.
> 
> IIRC stdio/stdout use different buffering strategy (line-buffering vs. 
> fixed size buffer) depending upon whether isatty(0) is true or false. If 
> this is the case, there is nothing you can do to force telnet into 
> line-buffering mode except using pseudo-ttys (pty), which is what programs 
> like "screen" and "except" do.

That's what I was afraid of ... So on to the next question: is it
possible to use pseudy-ttys with caml ? Or should I start thinking about
reimplementing the telnet client protocol ...

Alan

-- 
The hacker: someone who figured things out and made something cool happen.
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