How can I configure the perl App::Cmd module to complain about incorrect options

ascobie has asked for the wisdom of the Perl Monks concerning the following question:

I'm attempting to use the perl App::Cmd module and a simple test program works fine.

However, if I run the program with an --option that I haven't configured in the opt_spec function (of the sub command I'm invoking), it doesn't complain about an invalid option. I would expect it to do so. Instead it just quietly ignores that option.

I can't see anyway of configuring App::Cmd to complain about invalid options.

Is this possible, or is each sub-command expected to do the checking itself?

Thanks

Comment on How can I configure the perl App::Cmd module to complain about incorrect options

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Re: How can I configure the perl App::Cmd module to complain about incorrect options by tobyink (Canon) on Jun 17, 2013 at 15:54 UTC
If you pass an unrecognised option, App::Cmd doesn't complain, but it also doesn't ignore it! It adds it to the `$args` array. If you don't like this, the easiest thing is to create a subclass of App::Cmd::Command, and override `validate_args` to check for arguments that look like they were intended to be options. Then use your subclass instead of using App::Cmd::Command directly. `package Cow { use Moo; has name => (is => 'lazy', default => sub { 'Mooington' }) } say Cow->new->name`	[reply] [d/l] [select]
Re^2: How can I configure the perl App::Cmd module to complain about incorrect options by ascobie (Initiate) on Jun 18, 2013 at 08:50 UTC
Great, thanks! Will give that a go.	[reply]
Re: How can I configure the perl App::Cmd module to complain about incorrect options by toolic (Bishop) on Jun 17, 2013 at 15:56 UTC
Show the code you are using. Show the actual output you get. Show the output you expect to get. Did you look though the code examples in the CPAN distribution (in the t/ directory, etc.)?	[reply]