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',
DESCRIPTIONThis 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 aliasThis now takes advantage of the Moose 0.19 feature to support custom attribute metaclass aliases. This means you can also use this as the Getopt alias, like so:
has 'foo' => (metaclass => 'Getopt', cmd_flag => 'f');
cmd_flagChanges the command-line flag to be this value, instead of the default, which is the same as the attribute name.
cmd_aliasesAdds more aliases for this command-line flag, useful for short options and such.
AUTHORStevan Little <[email protected]>
COPYRIGHT AND LICENSEThis 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.