[Rd] path.package() versus system.file() for locating installed package folders
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed Feb 12 18:05:05 CET 2014
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.
> 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).
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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