RE: scheme system stdout and markup predicates

2011-08-23 Thread Carl Sorensen
>>> 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 > expec

Re: scheme system stdout and markup predicates

2011-08-23 Thread 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 t

Re: scheme system stdout and markup predicates

2011-08-23 Thread David Kastrup
Jan-Peter Voigt writes: > Hello List, > > I am using the scheme system command (on linux) to generate barcodes > to include in the PDF: > 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