Hi there,
Is it possible to plot in batch mode an R graph to standard output (or to
the "screen," which you would get just a bunch of binary characters)?
(I'm using Windows.)
The motivation is to write some CGI script to display an R plot directly,
without having to write to a temporary file first. That is, to simply do
something this: <img src="MyRPlot.cgi" />
The equivalent all-text-version Perl script would be something like this:
# --------------------------------------------------------------------------
----------------------------------------------------------------------------
----
$Rpath = "C:\\Progra~1\\R\\rw\\bin\\" ;
$Rcmd = $Rpath . "rterm --vanilla --quiet --slave" ;
$Rscript = "sum(1:3)" ;
print `echo $Rscript | $Rcmd` ;
# --------------------------------------------------------------------------
----------------------------------------------------------------------------
----
Which will print
[1] 6
to the screen (i.e. line number, plus the answer). No temporary files, just
standard input and output. Just wondering if I could do the same with plot.
Thanks.
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