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Subject: RE: DOS programs under "screen"
Date: Wed, 8 Apr 2009 17:11:23 -0400
Message-ID: <C2163734F5AC6346B64F4DD53C7F7A2803155C79@rxsprimary.accessrxs.com>
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From: "James Calfee" <jcalfee AT accessrxs DOT com>
To: "William Sutton" <william AT trilug DOT org>
CC: <cygwin AT cygwin DOT com>
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Your right, "clear" does work.  That example is too simple though.
"edit" is similar to the server.  I'm testing with a copy of the server
now.  It behaves just as "edit" does, I see my command echoed back to me
but nothing else.  The session is hung and I can not see the interface.=20

I don't actually need "edit" to work.  I'm just trying to provide a
program that can be used to test the DOS graphical interface under
screen.  "edit" re-sizes the DOS window.   The server does not do this.
You may know of another DOS interface that could be used to test this.

-----Original Message-----
From: William Sutton [mailto:william AT trilug DOT org]=20
Sent: Wednesday, April 08, 2009 2:29 PM
To: James Calfee
Cc: cygwin AT cygwin DOT com; InformationTechnology
Subject: Re: DOS programs under "screen"

I suppose you could always use the 'clear' command instead of cls.  If
you=20
need cls specifically, you can alias it to clear.

=46rom the edit point of view, is this something you could accomplish with

another command-line editor (say vim)?

William Sutton

On Wed, 8 Apr 2009, James Calfee wrote:

> We need to run a DOS program as a service.  The program provides
> valuable information in the DOS window in an interactive ASCII color
> interface but does not provide any method to connect to this interface
> if started as a service.
>
> One solution is to run this program under screen.  Unfortunately, this
> will not work until I can get these things resolved:
>
> * DOS "cls" command does not work under screen
> * DOS "edit" program does not work under screen
>
> Does anyone know how to get these things working under Cygwin's
screen?
>
> Steps to produce:
>
> Open a DOS window (start, run, cmd) or open Cygwin
> Run something like this> c:\cygwin\bin\screen cmd
> Or just> screen cmd
> ... Dos text and a prompt should come up ..
> Type> cls
>
> The command is echoed back but the console does not clear.
>
> Running 'edit' does basically the same thing too.  Instead of seeing
> edit's blue interface, the command is echoed and the console hangs.
> Pressing Ctrl+C will terminate screen's session.
>
> These test do not use ANSI.sys (see absence of this device in
> /cygdrive/c/CONFIG.SYS).. The 'edit' program works just fine without
it.
> Maybe screen can manage without it too.
>
> Any help is appreciated.
>
> Thanks,
> jc
>

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