[Rd] Referencing 'inst' directory in installed package

Marc Schwartz marc_schwartz at me.com
Wed Aug 17 14:35:41 CEST 2011

On Aug 16, 2011, at 10:17 PM, Jonathan Malmaud wrote:

> Hi,
> My R package has files in the 'inst' directory that it needs to reference. How can the R scripts in my package find out the full path to the 'inst' directory after the package is installed, given that different users may have installed the package to different libraries? 
> Thanks,
> Jon Malmaud

See ?path.package and ?file.path


> require(WriteXLS)
Loading required package: WriteXLS

# I am on OSX
> path.package("WriteXLS")
[1] "/Library/Frameworks/R.framework/Versions/2.13/Resources/library/WriteXLS"

I have Perl scripts in my package, which are in the /inst/Perl folder in the package source, so:

> file.path(path.package("WriteXLS"), "Perl/WriteXLS.pl")
[1] "/Library/Frameworks/R.framework/Versions/2.13/Resources/library/WriteXLS/Perl/WriteXLS.pl"


Marc Schwartz

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