Gets the path to the file cache directory. If missing, the directory is created.
# S3 method for default
getCachePath(dirs=NULL, path=NULL, rootPath=getCacheRootPath(), ...)A character vector constituting the path to the
cache subdirectory (of the cache root directory
as returned by getCacheRootPath()) to be used.
If NULL, the path will be the cache root path.
(Advanced) character strings specifying the
explicit/default cache path and root cache path.
Not used.
Returns the path as a character string.