This method is used to determine if a directory is indeed a directory. This method is a part of the filelib library.
directoryname − This is the directory name for which it needs to be determined if it is a directory or not.
True, if the directory exists and is indeed a directory.
-module(helloworld). -export([start/0]). start() -> io:fwrite("~p~n",[filelib:is_dir("newdir")]).
If the directory exists, the output will be true.