[R] Suppressing output (e.g. from cat)
Prof Brian Ripley
ripley at stats.ox.ac.uk
Tue Jun 24 14:11:54 CEST 2008
On Tue, 24 Jun 2008, hadley wickham wrote:
> On Tue, Jun 24, 2008 at 1:15 PM, Prof Brian Ripley
> <ripley at stats.ox.ac.uk> wrote:
>> On Tue, 24 Jun 2008, Richard Pearson wrote:
>>> Wacek, many thanks! I'm wondering however whether this will be problematic
>>> on Windows (I have no windows box to hand to check this, but am creating a
>>> package that I would like to be cross-platform)?
>> It will fail. But
>> is portable (and sink("nul:") works on Windows only).
> tc <- textConnection(NULL, "w")
That is a lot more expensive and subject to
o Use of textConnection(NULL, mode="w") could segfault.
(NEWS for 2.7.1). Output textConnections are convenient, but have quite a
lot of overhead since they need to keep the character vector current.
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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