Erlang |Codes

Erlang

Erlang

Installation

Ubuntu

apt install erlang

Alma Linux

dnf install erlang

Arch Linux

pacman -S erlang

Source Code

# Download otp_src_{version}.tar.gz from https://www.erlang.org/
tar xzf otp_src_{version}.tar.gz
cd otp_src_{version}
./configure [options]... [VAR=VALUE]...
make
make install

Examples

Fibonacci Numbers

% Fibonacci Numbers
-module(fibonacci).
-export([main/1]).

main(Arg) ->
    N = list_to_integer(hd(Arg)),
    io:fwrite(integer_to_list(fib(N))).

fib(0) -> 0;
fib(1) -> 1;
fib(N) -> fib(N - 2) + fib(N - 1).

% example
%    compile:
%        erlc fibonacci.erl
%    run:
%        erl -noshell -run fibonacci main 39 -run init stop