Subject: Re: ESRI Shape reader
From: Prof Brian D Ripley (firstname.lastname@example.org)
Date: Tue 27 Jul 1999 - 16:56:20 EST
NB: from the previous message, this is about Windows.
On Tue, 27 Jul 1999, Guido Masarotto wrote:
> On Tue, Jul 27, 1999 at 02:07:57PM +0800, Nicholas Lewin-Koh wrote:
> > Well Dr. Ripley helped me solve the first problem,
which was to use the makefiles for installing a package: it is much the
easiest way to work with compiled code in R (on Unix too).
> > next question
> > I need to do some debugging now that the function loads properly
> > into R. I checked the S documentation and to use the C I/O functions
> > you need to include newredef.h, this file doesn't exist in /src/include.
That is only true in S-PLUS 4.x (not S), and only needed in the GUI
version (splus.exe not sqpe.exe) as the console has not stdout stream
(the same as Rgui.exe).
> > How does this work in R? under S3.4 on a dec station i could use
> > fprintf(stdout,..);
> > fflush(stdout);
It would be normal to use stderr for debugging.
> Previous lines works in Rterm but not in Rgui.
> For both, you can use 'REprintf', e.g.,
> REprintf("%s %d",aString,anInt);
An alternative, which I tend to use is,
which puts the contents of the message up in a message dialog box.
The trouble with Rprintf and REprintf is that they depend on the console
running properly and the information written not getting over-written.
-- Brian D. Ripley, email@example.com 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 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595
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