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Subject: DOS programs under "screen"
Date: Wed, 8 Apr 2009 14:25:02 -0400
Message-ID: <C2163734F5AC6346B64F4DD53C7F7A2803155C5A@rxsprimary.accessrxs.com>
From: "James Calfee" <jcalfee AT accessrxs DOT com>
To: <cygwin AT cygwin DOT com>
CC: "InformationTechnology" <InformationTechnology AT accessrxs DOT com>
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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.=20=20

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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