Re: Character mode for telnet

[Ken Irving <fnkci@uaf.edu>]

On Sat, Jan 10, 2009 at 12:04:25AM -0900, Ken Irving wrote:
> On Fri, Jan 09, 2009 at 10:15:51PM -0800, Marc Shapiro wrote:
> > Ken Irving wrote:
> >> On Fri, Jan 09, 2009 at 08:13:32PM -0800, Marc Shapiro wrote:
> >>   
> >>> I know that, after I connect with telnet I can got to command mode 
> >>> and  enter 'mode char' to get into character mode.  Is there any way 
> >>> to have  telnet start up in character mode?  I am trying to control a 
> >>> robot  through a wireless connection and I need to be in character 
> >>> mode for it  to work.
> >>
> >> I tried and failed to find a way to do this, and just
> >> use 'm c' after starting telnet ('m line' to go back to
> >> line mode).  You might try netcat (nc) as an alternative
> >> to telnet.
> >>
> >>   
> > I was using netcat, but it was also using line mode and the vendor for  
> > the robot suggeted using telnet in character mode.  Is it possible to  
> > put netcat into character mode?  Automatically, or by internal command?
> 
> I just tried it (nc) after doing 'stty raw' in the terminal, and that
> looked pretty close, if perhaps too raw (e.g., ^C wouldn't halt the
> session).  I'm sure there are some particular terminal settings that
> would give the right behavior.

This might do it:

  $ stty -icanon min 1 time 0

Ken

-- 
Ken Irving