Description

Getopt::Advance is a powerful command line option parsing module, it suppot many style such as: unix-style、gnu-style、bsd-style.etc. It support Hash、Array option compared to traditional command line tools. In addition, it also support radio、multi group mechanism which can manage option realtionship. And to handle non-option argument, it provide main、pos 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
- Refer the example make-cpan-pack.
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

Getopt-Advance

Example

App::snippet

Run your c/c++ code.

App::FindSource

Find your source file easily!

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