On Tue, 11 Dec 2007, Bjarni Juliusson wrote: > Hi list! > > I'm developing R integration for a project called Bioclipse at Uppsala > University. The current implementation works by simply forking an R and > sending it text (with some substitutions on it) down a pipe, getting the > printed output back up another pipe. This of course works fine, except > it runs into one problem: R finds a pipe on its stdin and decides to be > "non-interactive", which means that as soon as the user makes a typo and > causes an error, R exits.
Actually, not so. The default error handler for non-interactive use is to do that, but you can change it. > I checked the source, and it's a couple of isatty()'s in the two files > named system.c that are doing it. They are of course intended to be a > feature, but in this case it causes us trouble. Would it be possible to > get a command line switch to control this behaviour? I'm not sure pseudo > terminals can be used portably, or can they? They can, and are e.g. by ESS (except on Windows, where there is already a switch). I think you need to look a bit more carefully at what other projects do. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel