Checks if the user has one or more specific permissions for a given directory.
check_permissions_dir(directory, existence = TRUE, execute = TRUE,
write = TRUE, read = TRUE)character directory to examine.
logical does directory exist?
logical does user have execute permissions for
directory?
logical does user have write permissions for
directory?
logical does user have read permissions for
directory?
logical TRUE if user has all the specific permissions,
otherwise FALSE.