[Rd] Revision of shell.exec?

[Dirk Eddelbuettel]

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"
R> 

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

Dirk

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