Philippe,
I'm not quite sure why you are asking on a Mac list, but the error
comes from Tcl/Tk. I'd suggest asking on R-devel, the Tcl/Tk used in
the R binary is the same for R 2.6.x and 2.7.0 so it must be a change
in tcltk.
Cheers,
Simon
On May 4, 2008, at 7:01 AM, Philippe Grosjean wrote:
Hello,
Up to R 2.6.2, I used to start Tcl *without Tk* (I need only Tcl for
some part of my work, like a socket server written in Tcl only, for
instance) with this code under Mac OS X (particularly on this
system, because I don't want to start X11 just to use Tcl code,
which is required for Tk!):
> Sys.unsetenv("DISPLAY")
> library(tcltk)
I got then the message "no DISPLAY variable so Tk is not available",
but could work with Tcl without problems.
Now, with R 2.7.0, I got the following and Tcl failed to load:
Loading Tcl/Tk interface ... Error in fun(...) : no display name and
no $DISPLAY environment variable
Error : .onLoad failed in 'loadNamespace' for 'tcltk'
Error: package/namespace load failed for 'tcltk'
I try to locate the message "no display name and no $DISPLAY
environment variable" in the code but I cannot find it. Could
someone help me please?
I understand that starting Tcl without Tk from R is not an intended
behaviour, but would it be possible to include an option to do so?
> sessionInfo()
R version 2.7.0 Patched (2008-04-22 r45460)
i386-apple-darwin8.10.1
locale:
en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
Many thanks,
Philippe Grosjean
--
..............................................<°}))><........
) ) ) ) )
( ( ( ( ( Prof. Philippe Grosjean
) ) ) ) )
( ( ( ( ( Numerical Ecology of Aquatic Systems
) ) ) ) ) Mons-Hainaut University, Belgium
( ( ( ( (
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