[R] calling R from a shell script and have it display graphics
macq at llnl.gov
Thu Feb 12 16:45:42 CET 2004
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.
At 11:57 AM +0100 2/12/04, Christophe Pallier wrote:
>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'
>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?
>R-help at stat.math.ethz.ch mailing list
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Environmental Protection Department
Lawrence Livermore National Laboratory
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