Erlang standard modules and user manuals

Erlang standard modules and user manuals

Erlang has a large number of standard modules available. F or example, an IO module contains a large number of functions that handle formatted inputs and outputs. I f you need to see the details of a standard module, you can view it using the erl-man command at the shell of the operating system or on the command line where the erl begins. H ere's an example:

% erl -man io
ERLANG MODULE DEFINITION                                    io(3)

MODULE
     io - Standard I/O Server Interface Functions

DESCRIPTION
     This module provides an  interface  to  standard  Erlang  IO
     servers. The output functions all return ok if they are suc-
     ...

If the command is not executed successfully on the system, you can also use Erlang/OTP's online documentation. O nline files are also supported for download in PDF format. O nline documents are www.erlang.se commercial Erlang or open source www.erlang.org open source. F or example, the Erlang/OTP R9B document is located at:

http://www.erlang.org/doc/r9b/doc/index.html