1App::Cmd::Setup(3)    User Contributed Perl Documentation   App::Cmd::Setup(3)
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NAME

6       App::Cmd::Setup - helper for setting up App::Cmd classes
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VERSION

9       version 0.331
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OVERVIEW

12       App::Cmd::Setup is a helper library, used to set up base classes that
13       will be used as part of an App::Cmd program.  For the most part you
14       should refer to the tutorial for how you should use this library.
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16       This class is useful in three scenarios:
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18       when writing your App::Cmd subclass
19           Instead of writing:
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21             package MyApp;
22             use base 'App::Cmd';
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24           ...you can write:
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26             package MyApp;
27             use App::Cmd::Setup -app;
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29           The benefits of doing this are mostly minor, and relate to sanity-
30           checking your class.  The significant benefit is that this form
31           allows you to specify plugins, as in:
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33             package MyApp;
34             use App::Cmd::Setup -app => { plugins => [ 'Prompt' ] };
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36           Plugins are described in App::Cmd::Tutorial and App::Cmd::Plugin.
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38       when writing abstract base classes for commands
39           That is: when you write a subclass of App::Cmd::Command that is
40           intended for other commands to use as their base class, you should
41           use App::Cmd::Setup.  For example, if you want all the commands in
42           MyApp to inherit from MyApp::Command, you may want to write that
43           package like this:
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45             package MyApp::Command;
46             use App::Cmd::Setup -command;
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48           Do not confuse this with the way you will write specific commands:
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50             package MyApp::Command::mycmd;
51             use MyApp -command;
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53           Again, this form mostly performs some validation and setup behind
54           the scenes for you.  You can use "base" if you prefer.
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56       when writing App::Cmd plugins
57           App::Cmd::Plugin is a mechanism that allows an App::Cmd class to
58           inject code into all its command classes, providing them with
59           utility routines.
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61           To write a plugin, you must use App::Cmd::Setup.  As seen above,
62           you must also use App::Cmd::Setup to set up your App::Cmd subclass
63           if you wish to consume plugins.
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65           For more information on writing plugins, see App::Cmd::Manual and
66           App::Cmd::Plugin.
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AUTHOR

69       Ricardo Signes <rjbs@cpan.org>
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72       This software is copyright (c) 2016 by Ricardo Signes.
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74       This is free software; you can redistribute it and/or modify it under
75       the same terms as the Perl 5 programming language system itself.
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79perl v5.30.0                      2019-07-26                App::Cmd::Setup(3)
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