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Date:	Wed, 8 Apr 2009 14:29:25 -0400 (EDT)
From:	William Sutton <william AT trilug DOT org>
To:	James Calfee <jcalfee AT accessrxs DOT com>
cc:	cygwin AT cygwin DOT com,
	InformationTechnology <InformationTechnology AT accessrxs DOT com>
Subject:	Re: DOS programs under "screen"
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I suppose you could always use the 'clear' command instead of cls.  If you 
need cls specifically, you can alias it to clear.

From 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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