Erlang Learning Notes (i)

Erlang Installation

Online page http://www.erlang.org/download.html. Select the appropriate platform on the page. The proposed Erlang learning platform is Linux or UNIX.
For Linux or UNIX-series platforms, download Souce File directly and compile the installation.

The code is as follows	Copy Code
wget http://www.erlang.org/download/otp_src_17.0.tar.gz TAR-XZVF otp_src_17.0.tar.gz CD otp_src_17.0 ./configure Make sudo make install

After the installation is complete, Erlang's binary path is/usr/local/bin/erl
The Hello World of Erlang

Save the following Hello wolrd program as Hello.erl

The code is as follows	Copy Code
-module (hello). -export ([hello_world/0]). Hello_world ()-> io:fwrite ("Hello, worldn").

Compile our hellowolrd, execute the/usr/local/bin/erl into the Erlang Shell, and then enter the following execution on the Erl file just compiled

The code is as follows	Copy Code
ERLANG/OTP [erts-6.0] [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [Kernel-poll:false] Eshell V6.0 (abort with ^g) 1> C (Hello). {Ok,hello} Execute HelloWorld 2> Hello:hello_world (). Hello, world Ok

Well, Erlang's HelloWorld is done.
How to exit the Erlang Shell

First into the Erlang Shell, overwhelmed, how to exit it?
There are several ways to exit the Erlang shell

Command mode 1: Execute Init:stop ().
Command mode 2: Execute Halt ().
Shortcut key Way 1:control+c then choose a
Shortcut key Way 2:control+g then press Q