Erlang File is_file Method

Files in Erlang

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

Syntax

is_file(filename)

Parameter

• filename −Is it a filename, which is the filename that needs to be determined.

Return Value

True if the file exists and is indeed a file.

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

Output as true if the file exists

Files in Erlang