On Thu, 15 May 2008 00:22:44 +0100, Ian Worthington wrote:
>This looks like what I need, though I'm not sure I really understand how it
>works yet. Which might explain why, even following your advice, it won't
>terminate.
Well, that's because of the DO FOREVER, of course. Rob uses SIGNAL ON
ERROR to break out of those when PEEKTO sees EOF. Personally, I figure
I'd get myself into far more trouble than I'd ever save that way, so I
check the return codes myself:
'peekto'
Do while rc = 0
'callpipe' etc.
If rc = 0 then 'peekto'
End
Then it's easy to adjust for cases where I want to tolerate specific
nonzero return codes from CALLPIPE (say, 28 from a STATE stage).
¬R
