Hi, see ?R.version
Something like if(version$os == "mingw32") { path = "/ABC"} else { path = "/DEF" } might do it, but I'm not sure exactly what possible values version$os can take or what determines the value exactly. Best, Ista On Fri, Feb 25, 2011 at 1:23 PM, Hui Du <hui...@dataventures.com> wrote: > Hi All, > > I have two Rs, one has been installed in Windows system and > another one has been installed under UNIX system. Is there any environmental > variable or function to tell me which R I am using? The reason that I need to > know it is under different system, the data path could be different. I want > to do something like > > if it is R under Windows > > path = "/ABC" > else if it is R under UNIX, > path = "/DEF" > > Any idea? Thanks. > > Best Regards, > > HXD > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org 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. > -- Ista Zahn Graduate student University of Rochester Department of Clinical and Social Psychology http://yourpsyche.org ______________________________________________ R-help@r-project.org 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.