Re: scheme system stdout and markup predicates

[Jan-Peter Voigt]

Hi David
> > I have two questions:
> > To (system "...")
> > 1: There are several commands, wich can write the generated EPS to
> > stdout. Is there a possibility to catch that and integrate it without
> > creating a temporary file?
> See the guile documentation, node "Pipes".
OK, thanks!
> > 2: Is there a way to get the result code and see if the command succeded?
> Uh, have you even looked up "system" in the guile documentation?
Yes I have ... but I typed my question a bit to fast ... the question 
should have been, why does '(if (not (system ...' not act, like I would 
expect. But with '(if (= 0 (system ...' it does.
Sorry for the noise!

Cheers,
Jan-Peter