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Write user-friendly command line apps with even less suffering
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mcsnolte/MooseX-App
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NAME
MooseX::App - Write user-friendly command line apps with even less
suffering
SYNOPSIS
In your base class:
package MyApp;
use MooseX::App qw(Config Color);
option 'global_option' => (
is => 'rw',
isa => 'Bool',
documentation => q[Enable this to do fancy stuff],
);
has 'private' => (
is => 'rw',
); # not exposed
Write multiple command classes (If you have only a single command class
you might use MooseX-App-Simple instead)
package MyApp::SomeCommand;
use MooseX::App::Command; # important
extends qw(MyApp); # purely optional
option 'some_option' => (
is => 'rw',
isa => 'Str',
documentation => q[Very important option!],
);
sub run {
my ($self) = @_;
# Do something
}
And then in some simple wrapper script:
#!/usr/bin/env perl
use MyApp;
MyApp->new_with_command->run;
DESCRIPTION
MooseX-App is a highly customizeable helper to write user-friendly
command-line applications without having to worry about most of the
annoying things usually involved. Just take any existing Moose class,
add a single line ("use MooseX-App qw(PluginA PluginB ...)") and create
one class for each command in an underlying namespace.
MooseX-App will then take care of
* Finding, loading and initializing the command classes
* Creating automated doucumentation from pod and attributes
* Reading and validating the command line options entered by the user
Commandline options are defined using the 'option' keyword which accepts
the same attributes as Moose' 'has' keyword.
option 'some_option' => (
is => 'rw',
isa => 'Str',
);
This is equivalent to
has 'some_option' => (
is => 'rw',
isa => 'Str',
traits => ['AppOption'],
);
Read the Tutorial for getting started with a simple MooseX::App command
line application.
METHODS
new_with_command
my $myapp_command = MyApp->new_with_command();
This method reads the command line arguments from the user and tries to
create a command object. If it fails it retuns a
MooseX::App::Message::Envelope object holding an error message.
You can pass a hash of default params to new_with_command
MyApp->new_with_command( %default );
initialize_command
my $myapp_command = MyApp->initialize_command($command_name,%default);
Helper method to initialize the command class for the given command.
OPTIONS
app_base
app_base 'my_script';
Usually MooseX::App will take the name of the calling wrapper script to
construct the programm name in various help messages. This name can be
changed via the app_base function.
app_namespace
app_namespace 'MyApp::Commands';
Usually MooseX::App will take the package name of the base class as the
namespace for commands. This namespace can be changed.
PLUGINS
The behaviour of MooseX-App can be customized with plugins. To load a
plugin just pass a list of plugin names after the "use MooseX-App"
statement.
use MooseX::App qw(PluginA PluginB);
Read the Writing MooseX-App Plugins documentation on how to create your
own plugins.
SEE ALSO
Read the Tutorial for getting started with a simple MooseX::App command
line application.
MooseX::App::Cmd, MooseX::Getopt and App::Cmd
SUPPORT
Please report any bugs or feature requests to
"[email protected]", or through the web interface at
<http://rt.cpan.org/Public/Bug/Report.html?Queue=MooseX-App>. I will be
notified, and then you'll automatically be notified of progress on your
report as I make changes.
AUTHOR
Maroš Kollár
CPAN ID: MAROS
maros [at] k-1.com
http://www.k-1.com
COPYRIGHT
MooseX::App is Copyright (c) 2012 Maroš Kollár.
This library is free software and may be distributed under the same
terms as perl itself. The full text of the licence can be found in the
LICENCE file included with this module.
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