[R] Test internet presence

[David Barron]

The function download.file (invisibly) returns a non-negative integer
if it fails, so I suppose you could use this as a test.

On 11/09/06, Gregor Gorjanc <gregor.gorjanc at bfro.uni-lj.si> wrote:
> Hello useRs!
>
> I have a small package and I need internet access for examples. Of
> course it works fine when I have internet access, but not otherwise. I
> remember I saw a way to test availability of internet access, but I can
> not find it now in archives. Can anyone here help me?
>
> Thanks!
>
> --
> Lep pozdrav / With regards,
>     Gregor Gorjanc
>
> ----------------------------------------------------------------------
> University of Ljubljana     PhD student
> Biotechnical Faculty
> Zootechnical Department     URI: http://www.bfro.uni-lj.si/MR/ggorjan
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>
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>
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-- 
=================================
David Barron
Said Business School
University of Oxford
Park End Street
Oxford OX1 1HP