get_filepath {pkgfilecache} | R Documentation |
Retrieve the path to a single file from the package cache.
get_filepath(pkg_info, relative_filename, mustWork = TRUE)
pkg_info |
named list. Package identifier, see get_pkg_info() on how to get one. |
relative_filename |
string. A filename, relative to the package cache. |
mustWork |
logical. Whether an error should be created if the file does not exist. |
string. The path to the file. If mustWork=TRUE, the file is guaranteed to exist if the function returns (an error will occur if it does not). If mustWork=FALSE and the file does not exist, the empty string is returned.
pkg_info = get_pkg_info("mypackage")
full_path_of_file = get_filepath(pkg_info, "file1.txt", mustWork=FALSE)