Empty directory: Difference between revisions

=={{header|Erlang}}==

From the Erlang shell, or in a program, match {ok, []}. It this works the directory is empty.

{{out}}

<pre>

3> {ok, []} = file:list_dir_all("/usr").

** exception error: no match of right hand side value

{ok,["X11R6","X11","standalone","share","sbin","local",

"libexec","lib","bin"]}

4> {ok, []} = file:list_dir_all("/asd").

** exception error: no match of right hand side value {error,enoent}

5> {ok, []} = file:list_dir_all("./empty").

{ok,[]}

</pre>