system.file {base}R Documentation

Find Names of R System Files

Description

Finds the full file names of files in packages etc.

Usage

system.file(..., package = "base", lib.loc = .lib.loc, pkg, lib)

Arguments

... character strings, specifying subdirectory and file(s) within some package. The default, none or "", returns the root of the package. Wildcards are not supported.
package a character string with the name of a single package. An error occurs if more than one package name is given.
lib.loc a character vector with path names of R libraries. Defaults to all libraries currently known. If the default is used, the loaded packages are searched before the libraries.
pkg previous name for argument package. Deprecated.
lib previous name for argument lib.loc. Deprecated.

Value

A character vector of positive length, containing the file names that matched ..., or the empty string, "", if none matched. If matching the root of a package, there is no trailing separator.
As a special case, system.file() gives the root of the base package only.

See Also

list.files

Examples

system.file()                # The root of the `base' package
system.file(package = "lqs") # The root of package `lqs'
system.file("INDEX")
system.file("help", "AnIndex", package = "stepfun")