isDirectory: Checks if the file specification is a directory
Description
Checks if the file specification is a directory.
Usage
"isDirectory"(pathname, ...)
Arguments
pathname
A character
string of the pathname to be checked. Value
Returns TRUE
if the file specification is a directory, otherwise
FALSE
is returned.
Symbolic links
This function follows symbolic links (also on Windows) and returns a
value based on the link target (rather than the link itself).