[R] system in windows

ggrothendieck@yifan.net ggrothendieck at yifan.net
Fri Mar 29 19:00:43 CET 2002


On my system Netscape is in

C:\Program Files\Netscape\Netscape 6\netscp6.exe

so it appears that both the directory and the name
of the executable itself can change between versions
of Netscape.  Thus relying on a solution that makes use
of either of these could be problematic if your aim
is that it be widely applicable.

I don't know how widely applicable the start method
is but one improvement you could make over my
prior suggestion that might increase how widely its
applicable is to use something like this:

  start c:\abc.htm

or this

  start http://www.google.com

where c:\abc.htm is the local HTML file or 
http://www.google.com is the URL you want your browser
to start up with.  That will use your default browser
and you won't have to specify either the name or
the path of your browser.

Maybe someone on the list with access to multiple
versions and configurations of Windows could comment?


On 29 Mar 2002 at 15:11, Erich Neuwirth wrote:

> the problem is that i am not sure of the start
> shell("start netscp6")
> mechanism
> works on all win32 platforms.
> the "start" feature might be a property of later versons of win32.
> the system(...) might have better chances of working on
> all win32 platforms.
> 
> 
> 
> 
> 
> ggrothendieck at yifan.net wrote:
> > 
> > On my Windows 2000 system running R 1.4.1
> > the following R command:
> > 
> >    shell("start netscp6")
> > 
> > launches Netscape.   Also this R command:
> > 
> >    shell("start iexpore")
> > 
> > launches Internet Explorer.
> > 
> > On 29 Mar 2002 at 1:36, Erich Neuwirth wrote:
> > 
> > > i want to call
> > > "c:/Program Files/Netscape/Communicator/Program/netscape.exe"
> > > with system
> > > but
> > > system("c:/Program
> > > Files/Netscape/Communicator/Program/netscape.exe") does not work
> > > because of the blank.
> > >
> > > system('"c:/Program
> > > Files/Netscape/Communicator/Program/netscape.exe"',wait=FALSE)
> > > works exactly like i want.
> > >
> > > when i set
> > > options(browser="c:/Program
> > > Files/Netscape/Communicator/Program/netscape.exe")
> > >
> > > how can i manipulate the result of
> > > getOption("browser")
> > >
> > > so that i get a string which will work with the system command?
> > >
> > >
> > >
> > >
> > >
> > > --
> > > Erich Neuwirth, Computer Supported Didactics Working Group
> > > Visit our SunSITE at http://sunsite.univie.ac.at
> > > Phone: +43-1-4277-38624 Fax: +43-1-4277-9386
> > >
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> 
> --
> Erich Neuwirth, Computer Supported Didactics Working Group
> Visit our SunSITE at http://sunsite.univie.ac.at
> Phone: +43-1-4277-38624 Fax: +43-1-4277-9386
> 
> 



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