[R] calling R from a shell script and have it display graphics

[Seth Falcon]

How about saving to png and writing a small html file and then launching
a browser?



On Thu, Feb 12, 2004 at 07:45:42AM -0800, Don MacQueen wrote:
> I don't know about the "simpler" part, but you could use the tcltk 
> package to put up a window that prompts the user to continue.
> 
> -Don
> 
> 
> At 11:57 AM +0100 2/12/04, Christophe Pallier wrote:
> >Hello,
> >
> >I am running R under Linux/x11.
> >
> >I would like to call R from a shell script and have it display a 
> >series of graphics.
> >The graphics should remain visible until the user clicks or presses a key.
> >
> >I first tried R BATCH, but it does not load the x11 module, making 
> >it impossible to open x11 or png devices.
> >
> >Then, I tried to call R with a 'here' script:
> >
> >R --vanilla --quiet --args text.txt <<'EOF'
> >file=commandArgs()[5]
> >cat('processing ',file,'\n')
> >...
> >x11()
> >plot(f2,log='xy',type='b',las=1,cex=.5,xlab='rang',ylab='freq')
> >Sys.sleep(10)
> >q()
> >EOF
> >
> >The problem with this approach is that the script cannot interact 
> >with the user.
> >par(ask=T) will fail because it reads input from the script rather 
> >than from the keyboard.
> >
> >While I am writing this, a solution comes to my mind: I could save 
> >all the graphics in png format (using R <script.R), and when it is 
> >finished, call ImageMagick's display to show all the png (or use any 
> >other diaporama system). However, I find it a dirty hack.
> >
> >Is there a simpler and cleaner way to achieve this?
> >
> >Christophe Pallier
> >www.pallier.org
> >
> >______________________________________________
> >R-help at stat.math.ethz.ch mailing list
> >https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> >PLEASE do read the posting guide! 
> >http://www.R-project.org/posting-guide.html
> 
> 
> -- 
> --------------------------------------
> Don MacQueen
> Environmental Protection Department
> Lawrence Livermore National Laboratory
> Livermore, CA, USA
> 
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