Yes, shell("start") works. R does not wait for the command prompt to be closed,
but this can be worked around by running shell("start /WAIT") so it looks like
this should give a solution our guy's can use.
Many thanks,
Ralph
--- On Fri, 11/3/11, Gabor Grothendieck <ggrothendi...@gmail.com> wrote:
From: Gabor Grothendieck <ggrothendi...@gmail.com>
Subject: Re: [R] system(..., invisible=FALSE, show.output.on.console=FALSE) in
Windows 7
To: "Ralph Olsson" <ralphols...@btinternet.com>
Cc: r-help@r-project.org
Date: Friday, 11 March, 2011, 14:58
On Wed, Mar 9, 2011 at 12:14 PM, Ralph Olsson
<ralphols...@btinternet.com> wrote:
> Hello,
>
> I work for a company in which a number of employees use R. Many of them like
> to run executables via the system function in such a way that the output of
> that executable is displayed in a separate window. To give an example of the
> behavior they require, the following command can be run in R GUI:
>
> system("cmd",invisible=FALSE,show.output.on.console=FALSE)
>
> The result is that a command prompt opens up and can be used interactively
> until it is closed. We have never had a problem with this command running R
> on Windows XP machines.
>
> Recently a number of us have switched to PCs running Windows 7. Under this
> operating system the above command often, if not always, fails to open a
> window. Some people can successfully run the command in one R session but
> then fail to get a window if a second R session is started. Others cannot get
> a window to open at all. We've tested the command with R 2.12.1, 2.12.1
> patched, 2.12.2 and 2.12.2 patched (all in both 32 and 64 bit). All of these
> exhibit the same problem.
>
> I raised the issue as a bug
> (https://bugs.r-project.org/bugzilla3/show_bug.cgi?id=14516), but this was
> promptly closed as being "not reproducible". Since we are having issues
> running the above command on all of our windows 7 PCs but none of our windows
> XP PCs, and since whoever closed the bug clearly had no issues running the
> command on his or her Windows 7 PC, I'm not really sure what to do next in
> terms of trying to resolve the problem.
>
> Can anyone shed any light on this issue? Is anyone able to reproduce it (only
> takes 30 seconds, just copy the above line into RGui on Windows 7 and confirm
> whether a command prompt opens; then, with the first session still open, try
> the same in a second RGui window)?
>
> Any help or feedback would be appreciated,
>
Does this work for you?
shell("start")
--
Statistics & Software Consulting
GKX Group, GKX Associates Inc.
tel: 1-877-GKX-GROUP
email: ggrothendieck at gmail.com
[[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.
