Not a problem. All of the responses are the same, "END". The next one will read 
the first queued response and then clear the stack.

Regards, 
Richard Schuh 

 

> -----Original Message-----
> From: CMSTSO Pipelines Discussion List 
> [mailto:[email protected]] On Behalf Of Glenn Knickerbocker
> Sent: Monday, August 10, 2009 3:13 PM
> To: [email protected]
> Subject: Re: Is there a better way?
> 
> "Schuh, Richard" wrote:
> > 'PIPE (end \) ... build commands  ... | f: fanout | spec 
> /response/ 1 | stack \ f: | command | cons'
> 
> > if the command fails and crashes the pipe, the worst that 
> can happen 
> > after the crash is one unrecognized command.
> 
> How about when one command fails to read its response from 
> the stack but
> *doesn't* kill the whole pipe, though?  If you're really 
> using the same response every time, it won't matter, but 
> otherwise all the remaining commands will read the wrong 
> responses.  You can avoid this by using another copy of the 
> input record to empty the stack after each command:
> 
>   \ f: | specs /callpipe stack || *:/ 1 | pipcmd | ... report 
> errors ...
> 
> If you don't care about these errors, I suppose you could use 
> STACK LIFO and just let the unread responses pile up.  
> Actually, STACK LIFO might be a good idea either way, so you 
> don't have to worry about what might be on the stack when you start.
> 
> ¬R
> 

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