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An advance command line parse module.
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perl6-getopt-advance

Build Status Windows Build Status

An advance command line parse tool replace Getopt::Kinoko

Description

Getopt::Advance is a powerful command line option parsing module, it suppot many style such as: unix-stylegnu-stylebsd-style.etc. It support HashArray option compared to traditional command line tools. In addition, it also support radiomulti group mechanism which can manage option realtionship. And to handle non-option argument, it provide mainpos and cmd feature.

Usage

Try it

Normal version

use Getopt::Advance;

my OptionSet $os .= new();

$os.push(
    "h|help=b",
    "print help message.",
    callback => sub ($, $) {
        say "The h option is set by user";
    });

&getopt($os);
say "Exit!";

With react

use Getopt::Advance;

my OptionSet $os .= new();

$os.push("h|help=b", "print help message.");

react {
    whenever $os.Supply("h") {
        say "The h option is set by user";
    }
    whenever &getopt($os) {
        say "Exit!";
        done;
    }
}

Feature

The feature support by this module, more information please refer documents.

  • Option with type

    • Long and short option supported, such as -o and --option.

    • X-style option supported, such as -option.

    • Combing-style option supported, such as -abc is same as -a -b -c.

    • BSD-style supported, such as abc is set the boolean option a, b and c.

    • Multiple style provide option arguments, such as -a=b, -a b, -ab is mean set the value of option a to b.

    • Deactivate-style support, mean you can disable some option by using -/o.

    • Type supported, such as Boolean, Integer, Array, and String, i.e. will check the option argument provide by user.

  • Non Option with index

    • Sub command supported, it can provide different feature to user, such as script.p6 add …​ and script.p6 del …​.

    • Position argument base on index supported, such as script.p6 <file> will capture the first non-option argument provide by user.

    • Main function supported. Main function will call with all the non-option arguments.

  • Option rule

    • With radio group, can only set one by user, or must set one by user.

    • With multi group, can limiting the options set at least one.

    • Must be set by user if optional of option is False.

  • Callback of Option/Non Option

    • Can set the callback of Option/Non Option, it will be called when it set by user.

  • Auto-generated help, version message

    • It can generate help and version message for you.

    • If autohv is set, it can automate print help or version message when corresponding option set by user.

  • PreParser

    • With the parser, you can process some option first, and process other with another call.

  • Interrupt the program

    • With sub such as ga-want-helper, you can interrupt the program and print help immediately.

  • Default value of Option

  • Load option from class/sub (not implement)

  • Load from the configure file easily

  • Thing can Custom by user

    • Help generator.

    • Option Parser.

    • Style supported and the priority of them.

    • The order of Option value assignment and Pos, Cmd process.

Document

Example

App::snippet

xcp

A script display the copy progress.

pdnf

pdnf added some sort command to dnf(package manager of some linux distribution).

find-file

usage

help
$ ./find-file.p6
Usage:
./sample/find-file.p6 [directory] OPTIONs

-d               specify file type to directory

-v|--version     print program version.

--size=<integer> the minimum size limit of file.

-?               same as -h.

-h|--help        print this help.

-f               specify file type to normal file

-l               specify file type to symlink
find
$ ./find-file.p6 ../t '1\d.*t$'
../t/11-bsd-style.t
../t/10-x-style.t

Installation

  • install with zef

    zef install Getopt::Advance

Lincese

The MIT License (MIT).

TODO

  • Update documents

  • Update subs feature

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