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Manual Reference Pages  -  MOOSEX::GETOPT::META::ATTRIBUTE (3)

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NAME

MooseX::Getopt::Meta::Attribute - Optional meta attribute for custom option names

CONTENTS

VERSION

version 0.68

SYNOPSIS



  package App;
  use Moose;

  with MooseX::Getopt;

  has data => (
      metaclass => Getopt,
      is        => ro,
      isa       => Str,
      default   => file.dat,

      # tells MooseX::Getopt to use --somedata as the
      # command line flag instead of the normal
      # autogenerated one (--data)
      cmd_flag  => somedata,

      # tells MooseX::Getopt to also allow --moosedata,
      # -m, and -d as aliases for this same option on
      # the commandline.
      cmd_aliases => [qw/ moosedata m d /],

      # Or, you can use a plain scalar for a single alias:
      cmd_aliases => m,
  );



DESCRIPTION

This is a custom attribute metaclass which can be used to specify a the specific command line flag to use instead of the default one which MooseX::Getopt will create for you.

This is certainly not the prettiest way to go about this, but for now it works for those who might need such a feature.

    Use ’traits’ instead of ’metaclass

You should rarely need to explicitly set the attribute metaclass. It is much preferred to simply provide a trait (a role applied to the attribute metaclass), which allows other code to further modify the attribute by applying additional roles.

Therefore, you should first try to do this:



  has foo => (traits => [Getopt], cmd_flag => f);



    Custom Metaclass alias

This now takes advantage of the Moose 0.19 feature to support custom attribute metaclass aliases. This means you can also use this as the <B>GetoptB> alias, like so:



  has foo => (metaclass => Getopt, cmd_flag => f);



METHODS

cmd_flag

Changes the command-line flag to be this value, instead of the default, which is the same as the attribute name.

cmd_aliases

Adds more aliases for this command-line flag, useful for short options and such.

has_cmd_flag

has_cmd_aliases

AUTHOR

Stevan Little <stevan@iinteractive.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2007 by Infinity Interactive, Inc.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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perl v5.20.3 MOOSEX::GETOPT::META::ATTRIBUTE (3) 2015-03-04

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