Erlang Tutorial

Erlang File file_read Method

There is a way to read all the content of a file at once. This is done through the file_read method. The details of the command are as follows.

file_read(filename)

All content of the file.

-module(helloworld).　
-export([start/0]).　
start()　->　
　　　Txt = file:read_file("Newfile.txt"),　
　　　io:fwrite("~p~n",[Txt]).

When we run the above program, we will get the following result.

{ok,<<"Example1\nExample2\nExample3">>}