On Thu, Feb 24, 2011 at 2:46 PM, Oliver Soong <osoon...@gmail.com> wrote: > Sorry, I didn't know about r-wind...@r-project.org. Is that a public > mailing list like r-help? It's not listed under > http://www.r-project.org/mail.html. > > I was able to reproduce the issue under two other 32-bit Windows 7 > machines, so it's not specific to the one computer. It could be > something common to my Windows user account configurations, although > those accounts are not all configured similarly. The part that's the > strangest to me is that things do work when R is started through the > start menu recent programs and when called from a command shell, but > not through shortcuts or the start menu all programs list. Sys.getenv > does not indicate any particular difference. Are there any other > things I might check in R?
Right click the particular start menu recent program entry that starts it and choose properties; also right click the shortcut and choose properties and right click the start menu programs list entry and choose properties. See what the differences are in the targets. > > The actual command I want to run has quoting concerns (inherent to > Windows and cmd) that force me to use system. If you don't like cmd > /c dir, this command also serves the purpose and also shows the weird > behavior. It presumes that Rscript is on the path: > system("Rscript -e \"writeLines(letters, > \\\"C:\\\\\\\\tmp\\\\\\\\tmp.txt\\\")\"", wait = FALSE) > > I've been told (and can see) that shell just calls system, and since > the equivalent command in shell shows the same behavior due to this > weirdness I'm finding with system, I decided to focus on what appeared > to be the underlying problem (although perhaps not the actual problem > if it is just something with me). > > Oliver > > > On Wed, Feb 23, 2011 at 11:07 PM, Prof Brian Ripley > <rip...@stats.ox.ac.uk> wrote: >> On Wed, 23 Feb 2011, Oliver Soong wrote: >> >>> I'm having a very odd problem with system(wait = FALSE). I'm not >>> entirely sure whether it's a bug in R or a problem on our end. It's >>> related to a post a month or so ago in R-help which got no responses, >>> but I have a little more to add. >> >> Well, the place you are asked to report issues on the Windows port is >> r-wind...@r-project.org. But no one was able to reproduce this, and it >> does sound as if the problem is on your specific machine. If so, only you >> can debug it and find out if it is really in R. >> >>> This command works as expected (I use c:\tmp since c:\ isn't normally >>> writable under later versions of Windows). >> >> That's a bold claim (and untrue of my Windows 7 systems), but if c:\ is not >> writeable, you cannot create c:\tmp! >> >>> The file is created at >>> c:\tmp\tmp.txt. >>> system("cmd /c dir > c:\\tmp\\tmp.txt", wait = TRUE) >>> This command does not work as expected. There is no file created at >>> c:\tmp\tmp.txt. >>> system("cmd /c dir > c:\\tmp\\tmp.txt", wait = FALSE) >> >> Windows' own programs are peculiar things, and often do not obey Windows' >> own rules for everyone else. So I give little weight to such an example. >> And in any case, we recommend shell() for such usages. >> >>> The computer is a 64-bit Windows Server 2008R2 machine. This affects >>> R 2.12.1, both the 32-bit and 64-bit RGui executables but not the >>> RTerm executables. This does not affect 32-bit Windows XP, 32-bit >>> Windows Server 2003, or 64-bit Windows Server 2008. This does not >>> affect R 2.12.0, and if I'm reading the svn logs correctly, there were >>> some changes made to the system function from 2.12.0 to 2.12.1. >>> Things seem to work normally when R is started from the start menu >>> recent programs list, but things do not work properly when R is >>> started from a shortcut, from the start menu all programs menu, or >>> through explorer. >>> >>> I'm stumped. Any ideas I can try? >>> >>> Oliver >>> >>> ______________________________________________ >>> R-devel@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-devel >>> >> >> -- >> Brian D. Ripley, rip...@stats.ox.ac.uk >> 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 >> > > > > -- > Oliver Soong > Donald Bren School of Environmental Science & Management > University of California, Santa Barbara > Santa Barbara, CA 93106-5131 > 805-893-7044 (office) > 610-291-9706 (cell) > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel