[R] Calling R from a non-X shell script to plot?

[doktora v]

Ah, that's great. I was halfway on my way writing this out... 
Thanks, much appreciated!

-- dok


On Mon, 13 Dec 2004 13:51:00 -0800, Joe Conway <mail at joeconway.com> wrote:
> Seth Falcon wrote:
> > On Mon, Dec 13, 2004 at 12:25:01PM -0500, doktora v wrote:
> >
> >>Is anyone familiar with this (i.e. running R from a non-X
> >>environment)? Is there  a way to get around this? I've seen some stuff
> >>about virtual devices,  but have no idea if it works or where to
> >>start. If there is a simpler solution, please let me know.
> >
> > I've used Xvfb in this situation.  After installing Xvfb, you can do
> > something like this:
> >
> > Xvfb :15&
> > export DISPLAY=localhost:15
> > # Run R
> 
> FWIW, here's what I've used in the past for an Xvfb init script:
> 
> 8<------------------------------------
> #!/bin/bash
> #
> # syslog        Starts Xvfb.
> #
> #
> # chkconfig: 2345 12 88
> # description: Xvfb is a facility that applications requiring an X frame
> buffer \
> # can use in place of actually running X on the server
> 
> # Source function library.
> . /etc/init.d/functions
> 
> [ -f /usr/X11R6/bin/Xvfb ] || exit 0
> 
> XVFB="/usr/X11R6/bin/Xvfb :5 -screen 0 1024x768x16"
> 
> RETVAL=0
> 
> umask 077
> 
> start() {
>          echo -n $"Starting Xvfb: "
>          $XVFB&
>          RETVAL=$?
>          echo_success
>          echo
>          [ $RETVAL = 0 ] && touch /var/lock/subsys/Xvfb
>          return $RETVAL
> }
> stop() {
>          echo -n $"Shutting down Xvfb: "
>          killproc Xvfb
>          RETVAL=$?
>          echo
>          [ $RETVAL = 0 ] && rm -f /var/lock/subsys/Xvfb
>          return $RETVAL
> }
> restart() {
>          stop
>          start
> }
> 
> case "$1" in
>    start)
>          start
>          ;;
>    stop)
>          stop
>          ;;
>    restart|reload)
>          restart
>          ;;
>    condrestart)
>          [ -f /var/lock/subsys/Xvfb ] && restart || :
>          ;;
>    *)
>          echo $"Usage: $0 {start|stop|restart|condrestart}"
>          exit 1
> esac
> 
> exit $RETVAL
> 8<-----------------------------------------
> 
> HTH,
> 
> Joe
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>