[Info-vax] Howto can I call the undocumented "set watch/class=dir" in an own program and fetch the output in my program?

[Ian Miller]

On Tuesday, September 26, 2023 at 11:43:49 PM UTC+1, Arne Vajhøj wrote:
> On 9/26/2023 11:53 AM, Volker Halle wrote: 
> > Eberhard Heuser schrieb am Dienstag, 26. September 2023 um 16:01:15 
> > UTC+2: 
> >> So the question is what output channel is been used by QXP? 
> >
> > the XQP (in module [F11X]DISPAT) in routine NOTIFY_AST (run as a 
> > supervisor mode AST) writes the output to SYS$OUTPUT using a RMS $PUT 
> > call. 
> > 
> > By default SYS$OUTPUT is a supervisor mode confined logical name, 
> > which points to the 'terminal device'. 
> > 
> > Question: can this be re-directed ?
> Another question: is SET WATCH smart enough not to notify about 
> disk IO triggered by its own notifications if they are redirected 
> to disk file. 
> 
> Arne

I expect not