[Info-vax] Why doesn't PIPE work with freeware?

[Jan-Erik Söderholm]

Den 2022-10-12 kl. 22:26, skrev alanfe... at gmail.com:
> On Wednesday, October 12, 2022 at 2:48:08 PM UTC-4, Steven Schweda wrote:
>>> Why doesn't this simple PIPE command work? [...]
>>
>> Did you define DIRSORT as a foreign-command symbol, or what, exactly?
>> Sometimes the results you get depend on your own (invisible/unreported)
>> actions.
> 
> I posted the output of VERB DIRSORT. Isn't that enough?

If I'm not wrong, the utility VERB can show DCL commands from
both the system common DCLTABLES and any process defined verbs
using SET COMMAND. The first works with PIPE, the second does not.

So no, It is not enough, if we do not know where the
verb DIRSORT comes from.