getopt/examples/ex1.erl
Eric Merritt ba7ae64d2a Moved sub directories on source to top level
This allows for normal inclusion in OTP releases.
2010-08-12 09:47:49 +08:00

47 lines
2.1 KiB
Erlang

%%%-------------------------------------------------------------------
%%% @author Juan Jose Comellas <juanjo@comellas.org>
%%% @copyright (C) 2009 Juan Jose Comellas
%%% @doc Example file for the getopt module.
%%% @end
%%%
%%% This source file is subject to the New BSD License. You should have received
%%% a copy of the New BSD license with this software. If not, it can be
%%% retrieved from: http://www.opensource.org/licenses/bsd-license.php
%%%-------------------------------------------------------------------
-module(ex1).
-author('juanjo@comellas.org').
-export([test/0, test/1]).
test() ->
test("-U myuser -P mypassword --host myhost -x -o myfile.dump mydb dummy1").
test(CmdLine) ->
OptSpecList = option_spec_list(),
io:format("For command line: ~p~n"
"getopt:parse/2 returns:~n~n", [CmdLine]),
case getopt:parse(OptSpecList, CmdLine) of
{ok, {Options, NonOptArgs}} ->
io:format("Options:~n ~p~n~nNon-option arguments:~n ~p~n", [Options, NonOptArgs]);
{error, {Reason, Data}} ->
io:format("Error: ~s ~p~n~n", [Reason, Data]),
getopt:usage(OptSpecList, "ex1")
end.
option_spec_list() ->
CurrentUser = os:getenv("USER"),
[
%% {Name, ShortOpt, LongOpt, ArgSpec, HelpMsg}
{help, $?, "help", undefined, "Show the program options"},
{username, $U, "username", string, "Username to connect to the database"},
{password, $P, "password", {string, CurrentUser}, "Password to connect to the database"},
{host, $h, "host", {string, "localhost"}, "Database server host name or IP address"},
{port, $p, "port", {integer, 1000}, "Database server port"},
{output_file, $o, "output-file", string, "File where the data will be saved to"},
{xml, $x, "xml", undefined, "Output data as XML"},
{dbname, undefined, undefined, string, "Database name"}
].