[R] logging messages
Prof Brian Ripley
ripley at stats.ox.ac.uk
Tue Nov 16 09:05:38 CET 2004
On Mon, 15 Nov 2004, Faber Fedor wrote:
> Hi all,
> I'm trying to learn R from an non-statistician's POV. I've got a
> statistician who uses R, but I'm the schmuck who has to integrate his
> R functions into an automated process.
Defining a POV (undefined, as is `schmuck') as `not something' is really
non-communication. Please do read the R posting guide and its references,
and try to formulate questions in standard (and polite) English. Also,
check the correct list to use as described in that posting guide -- R-help
is not intended for questions involving programming concepts (like
`syslog', which needs explanation even there).
> One of the things I would really like is the ability to log messages
> to file, specifically using syslog on a Linux box. (I also want to
> write messages to STDOUT based on a command-line flag, but I figure
> that can't be too hard to figure out. If it is too hard to figure out,
> you'll be seeing another message from me shortly. :-)
It's not clear what you mean by this. If you mean send warnings and
messages to stdout (what is `STDOUT'?) then `why?' You deal with this the
same way as any other Linux application that uses stderr for warning/error
To `tee' output, see ?sink, or indeed `man tee'.
R is principally an interactive program used for exploration. You haven't
told us what you are trying to do, and you may be better off embedding R
in some other front end to give you more control.
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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