[Rd] Revision of shell.exec?

Dirk Eddelbuettel edd at debian.org
Wed Sep 14 22:44:56 CEST 2011

On 14 September 2011 at 16:22, Simon Urbanek wrote:
| On Sep 14, 2011, at 4:15 PM, Brian Oney wrote:
| > Hi there,
| > new idea (at 10 at night). All the emails keep me thinking (btw thanks for all the feedback).
| > What does this do on linux?
| > 
| > getOption("pdfviewer")
| > ### I got this idea from: getS3method("print","vignette")
| > 
| It gives you the detected PDF viewer as I was explaining (essentially R_PDFVIEWER). The two detected settings I was referring to are R_PDFVIEWER (for PDF) and R_BROWSER (for URLs) which are the initial settings for the "pdfviewer" and "browser" options.
| Note that it's what it say it is - R_PDFVIEWER is usually something like acroread or evince so not particularly useful for your purpose ...

R> getOption("pdfviewer")
[1] "/usr/bin/xdg-open"

We've had that as xdg-open in Debian / Ubuntu for a while now...


New Rcpp master class for R and C++ integration is scheduled for 
San Francisco (Oct 8), more details / reg.info available at

More information about the R-devel mailing list