From: earnie_boyd AT yahoo DOT com (Earnie Boyd)
Subject: Re: Help required - Connecting bash to an editor using anonymous pipes
3 Oct 1998 00:58:57 -0700
Message-ID: <19981002151500.4393.rocketmail.cygnus.gnu-win32@send103.yahoomail.com>
Reply-To: earnie_boyd AT yahoo DOT com
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To: GNU-Win32 <gnu-win32 AT cygnus DOT com>,
        Jonathan Naughton-Green <jnaught AT seri DOT co DOT uk>

If you have `tty' set in the CYGWIN32 environment variable this will
cause problems with NON-CYGWIN programs.


---Jonathan Naughton-Green <jnaught AT seri DOT co DOT uk> wrote:
>
> Hi,
> 
>     If anybody can throw some light onto running a "bash" session
through a
>     pipe then I would appriciate it. I have sifted through the
archieves but
>     have not (as yet) found anything that answers my question - (are
those
>     archives big !!)
> 
>     I am trying to connect the Cygnus environment to a MicroEmacs
editor to
>     run a Cygnus shell in one of the buffer windows. I can do this
with the
>     "command.com" to give me DOS prompt in a buffer, however
applying the same
>     technique to "bash" it does not quite work.
> 
>     The window comes up. I can send characters to the shell and I
can execute
>     commands and see the results in the buffer BUT the bash prompt
and the
>     characters that I type into the buffer are not visible.
> 
>     Basically all I have done is get MicroEmacs to prepare the
environment
>     (i.e. pushed the cygnus.bat set up in the environment) created
anonymous
>     pipes for stdin, stdout and stderr which connect to MicroEmacs
and then
>     spawned off a new process "bash" (directly).
> 
>     I am a bit baffled by this because I had assumed that the bash
prompt
>     would be on stdout. Because I can read the output of commands
such as
>     "ls", "make" etc which appear on stdout and stderr then I must
assume
>     that bash itself is doing something else - but what ??
> 
>     I have also assumed that bash will execute correctly when served
up with
>     a set of pipes as it's stdin/out/err - this might not be the case.
> 
>     I'm running Cygwin 19.1 on Windows '98.
> 
>     MicroEmacs (jasspa) is from
> 
>     http://www.geocities.com/ResearchTriangle/Thinktank/7109/
> 
>     + latest patch + a few hacks of my own on the launching of
processes.
>     I am building under MSVC 5.0 (not sure if I can build this as a 
>     cygwin executable as a windows app ??) 
> 
> Regards
> J.Naughton-Green
> 
> -- 
> ______________________________________________________________________
> 
> J.D.Naughton-Green
> 
> SAMSUNG Electronics Ltd
> Samsung Electronics Research Institute (Audio / Visual Labs)
>
_______________________________________________________________________
> -
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> 

==
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