On 01/09/2012 12:38 AM, Hintzen, Niels wrote:
Dear all,
I didn't manage to get any new insights on this, anyone from the list
suggestions?
Hi Niels --
Files in the data directory of a package can be an R script, so in
PkgA/data/f.R
f <- local({
message("curves ahead")
1:5
})
This requires that the package be built with, e.g.,
R CMD build --no-resave-data PkgA
or with the system environment variable _R_BUILD_RESAVE_DATA_=no defined.
Martin
Best regards,
Niels Hintzen
-----Original Message-----
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Hintzen, Niels
Sent: maandag, januari 02, 2012 10:42
To: r-help@r-project.org
Subject: [R] Display warning when embedded data file is loaded
Dear all,
I would like to show a warning when a data file, that is embedded in the
package, is loaded. I have so far not been able to find any manual or mailing
list going on about that.
In code example:
library("myPackage")
data("myData")
# Now I want a warning containing info about this loaded 'myData' file
It would be great if someone could indicate if this is at all possible, and if
so, how to embed it (or where I can read how to do it).
Many thanks in advance,
Niels
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