path_package differs from system.file() in that it always returns an error if the package does not exist. It also returns a different error if the file within the package does not exist.

path_package(package, ...)

## Arguments

package Name of the package to in which to search Additional paths appended to the package path by path().

## Details

path_package() also automatically works with packages loaded with devtools even if the path_package() call comes from a different package.

## Examples

path_package("base")#> /Library/Frameworks/R.framework/Resources/library/basepath_package("stats")#> /Library/Frameworks/R.framework/Resources/library/statspath_package("base", "INDEX")#> /Library/Frameworks/R.framework/Resources/library/base/INDEXpath_package("splines", "help", "AnIndex")#> /Library/Frameworks/R.framework/Resources/library/splines/help/AnIndex