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NAMEApp::Cmd::Command - a base class for App::Cmd commands
my ($cmd, $opt, $args) = $class->prepare($app, @args);
This method is the primary way in which App::Cmd::Command objects are built. Given the remaining command line arguments meant for the command, it returns the Command object, parsed options (as a hashref), and remaining arguments (as an arrayref).
In the usage above, $app is the App::Cmd object that is invoking the command.
newThis returns a new instance of the command plugin. Probably only "prepare" should use this.
This method does whatever it is the command should do! It is passed a hash reference of the parsed command-line options and an array reference of left over arguments.
If no "execute" method is defined, it will try to call "run" --- but it will warn about this behavior during testing, to remind you to fix the method name!
appThis method returns the App::Cmd object into which this command is plugged.
usageThis method returns the usage object for this command. (See Getopt::Long::Descriptive).
command_namesThis method returns a list of command names handled by this plugin. The first item returned is the 'canonical' name of the command.
If this method is not overridden by an App::Cmd::Command subclass, it will return the last part of the plugin's package name, converted to lowercase. For example, YourApp::Cmd::Command::Init will, by default, handle the command ``init''.
Subclasses should generally get the superclass value of "command_names" and then append aliases.
usage_descThis method should be overridden to provide a usage string. (This is the first argument passed to "describe_options" from Getopt::Long::Descriptive.)
If not overridden, it returns ``%c
opt_specThis method should be overridden to provide option specifications. (This is list of arguments passed to "describe_options" from Getopt::Long::Descriptive, after the first.)
If not overridden, it returns an empty list.
This method is passed a hashref of command line options (as processed by Getopt::Long::Descriptive) and an arrayref of leftover arguments. It may throw an exception (preferably by calling "usage_error", below) if they are invalid, or it may do nothing to allow processing to continue.
$self->usage_error("This command must not be run by root!");
This method should be called to die with human-friendly usage output, during "validate_args".
abstractThis method returns a short description of the command's purpose. If this method is not overridden, it will return the abstract from the module's Pod. If it can't find the abstract, it will look for a comment starting with ``
descriptionThis method can be overridden to provide full option description. It is used by the built-in help command.
If not overridden, it uses Pod::Usage to extract the description from the module's Pod
AUTHORRicardo Signes <firstname.lastname@example.org>
COPYRIGHT AND LICENSEThis software is copyright (c) 2016 by Ricardo Signes.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.