On Tue, 21 Aug 2007, Alex MD wrote: > Hi, > > I know that the general subject "calling R from C" has been discused but I > have been reading the manuals and also scouting the lists and I can not seam > to find > a working solution for my problem.
It's a C# issue. > I want to call a R script ( let's call it "test.r" ) from within C# code. > After reading about this topic I am trying to do this : > > System.Diagnostics.Process proc = new System.Diagnostics.Process(); > proc.StartInfo.FileName = "E:/R/R-2.5.1 /bin/Rterm.exe"; > proc.StartInfo.Arguments = " <'test.r' --no-save"; > proc.StartInfo.UseShellExecute = false; > proc.StartInfo.RedirectStandardOutput = false; > proc.Start(); > > > bun when Rterm starts it shows parameter <test.r ignored > > When I try to do the same from a command line shell it DOES work just fine : > " Rterm.exe <test.r --no-save" runs the file without any problems. > > Do you have any idea how to make it not to ignore the input file? Or is > there other way to just execute a .r file from C# code? You need a shell for redirection (< > |) to work, and 'system' commands in Windows do not usually use one (as in C, C++, R, Perl): you seem to have turned off using a shell in C#. However, I think you should be using RScript.exe, where this is not an issue. -- 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-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
