Erlang File is_dir

Files in Erlang

This method is used to determine whether the directory is indeed a directory. This is part of the filelib library.

Syntax

is_dir(directoryname)

Parameters

• directoryname −This is the directory name, do you need to determine the directory name?

Return Value

If the directory exists and is indeed a directory, it returns True.

-module(helloworld).　
-export([start/0]).　
start()　->　
　　　io:fwrite("~p~n",[filelib:is_dir("newdir")]).

If the directory exists, it outputs true.

Files in Erlang