Oops my example was missing the important $*USAGE message. And it makes
sense to show the wrong named args before the wrong list args.
example.raku:
multi sub MAIN(:$these ="These", :$are="Are") { say "$these $are"; };
multi sub MAIN(*@wrong-list,:$these ="These", :$are="Are",*%wrong-named)
is hidden-from-USAGE
{say "$*USAGE\nGot bad args " ~ %wrong-named ~ " "~ @wrong-list}'
raku example.raku -these=HIHIHI -foo=BABABA
On Tue, May 5, 2020 at 3:20 PM yary <not....@gmail.com> wrote:
>
> Here's something to play with (without explanation from me, busy enough
sorry!)
>
>
> example.raku:
> multi sub MAIN(:$these ="These", :$are="Are") { say "$these $are"; };
> multi sub MAIN(*@wrong-list,:$these ="These",
:$are="Are",*%wrong-named) is hidden-from-USAGE
> {say "Got bad args " ~ @wrong-list ~ " "~ %wrong-named}'
>
>
> raku example.raku -these=HIHIHI -foo=BABABA
>
> -y
>
>
> On Tue, May 5, 2020 at 1:09 PM ToddAndMargo via perl6-users <
perl6-us...@perl.org> wrote:
>>
>> >> On Tue, 5 May 2020, 06:46 ToddAndMargo via perl6-users,
>> >> <perl6-us...@perl.org <mailto:perl6-us...@perl.org>> wrote:
>> >>
>> >> Hi All,
>> >>
>> >> Just to prove I read the stinker:
>> >> https://docs.raku.org/routine/MAIN
>> >>
>> >> I am trying to get the following to do
>> >>
>> >> #!/usr/bin/env perl6
>> >> sub MAIN(:$these ="These", :$are="Are") { say "$these $are"; }
>> >>
>> >> This is working:
>> >>
>> >> $ MainTest.pl6 --are=our --these=those
>> >> those our
>> >>
>> >>
>> >> These two are not:
>> >>
>> >> 1) I am trying to get MAIN to give me an error I can
>> >> call my help sub if a stray entry is placed in
>> >> the run line
>> >>
>> >> $ MainTest.pl6 --are=our --these=those --saywhat=abc
>> >> Usage:
>> >> MainTest.pl6 [--these=<Any>] [--are=<Any>]
>> >>
>> >> Here it find `--saywhat=abc` and MAIN writes out the above
>> >> usage statement.
>> >>
>> >> A) I want to write it out myself. I would like the
>> >> string too, but don't have to have it.
>> >>
>> >> B) I would like the stray entry.
>> >>
>> >>
>> >> 2) Here I want to pick up the remainder (abc) at the end,
>> >> but can't figure out the syntax in the sub declaration.
>> >>
>> >> Something like:
>> >> dnf --excluderepo=acb* install raku
>> >>
>> >> $ MainTest.pl6 --are=our --these=those abc
>> >> Usage:
>> >> MainTest.pl6 [--these=<Any>] [--are=<Any>]
>> >>
>> >> Instead of MAIN writing out usage.
>> >>
>> >> Many thanks,
>> >> -T
>> >>
>>
>> On 2020-05-05 00:38, Simon Proctor wrote:
>> > I would suggest starting by reading this page in the docs :
>> > https://docs.raku.org/language/create-cli
>> >
>> > Covers how $*USAGE is created and the various options you have for
>> > providing help data.
>> >
>>
>> Hi Simon,
>>
>> I must be missing something. That is just a rehash of the manual page I
>> first posted with a few extra paragraphs at he top.
>>
>> :'(
>>
>> Maybe I should just write my own based on @*ARGS ?
>>
>> -T
