[Info-vax] F$GETQUI: the mystery deepens

[Phillip Helbig undress to reply]

In article <puep8r$tke$1 at dont-email.me>, Stephen Hoffman
<seaohveh at hoffmanlabs.invalid> writes: 

> > It seems like SHOW QUEUE destroys the intended (at least, intended by  
> > me) behaviour, but further calls to F$GETQUI somehow reset this.
> > 
> > Bug or feature?
> 
> This is some long-standing, documented and entirely expected DCL stupidity.

OK

> The GQC that is saved for wildcarded F$GETQUI calls is destroyed if you 
> run any DCL queue-related command, such as SHOW QUEUE or SHOW ENTRY. To 
> avoid this problem, use the SPAWN command to create a new process in 
> which to run the DCL commands."

Interestingly, it is not completely destroyed, since my example actually 
works (i.e. produces the list of queues with no repetition).