[Rd] path.package() versus system.file() for locating installed package folders
Marc Schwartz
marc_schwartz at me.com
Wed Feb 12 18:29:38 CET 2014
On Feb 12, 2014, at 11:05 AM, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote:
> On 12/02/2014 16:28, Marc Schwartz wrote:
>> Hi all,
>>
>> For several years, I have used path.package() to get the path to Perl scripts contained within WriteXLS.
>>
>> I have a request to change this to using system.file(), which would provide the ability to utilize WriteXLS functionality, without having to load the package, which path.package() requires.
>>
>> Based upon my review of the code, I don't see any obvious down sides to making the change, but wanted to solicit comments from anyone that might challenge the change in the code.
>>
>> Thanks in advance.
>>
>> Regards,
>>
>> Marc Schwartz
>
> I don't think path.package() ever was the right tool: find.package() looks a closer match, and system.file() is a wrapper for it (which was all that was made available for many years: up to R 2.13.0 AFAIR).
Thanks.
I don't, at this point, recall the history as to why I elected to use path.package(), but my guess is that I looked at some subset of other CRAN packages at the time that also included script files and used them as a model. In hindsight, not the best approach.
Regards,
Marc
>
> --
> 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
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
More information about the R-devel
mailing list