NAME

Data::Unixish::pick - Pick one or more random items

VERSION

version 1.39

SYNOPSIS

In Perl:

use Data::Unixish::List qw(dux);
my @pick = dux([pick => {items=>2}], 1..100); # => (52, 33)

In command line:

% seq 1 100 | dux pick -n 4
.-------------------.
| 18 | 22 |  2 | 24 |
'----+----+----+----'

AUTHOR

Steven Haryanto <stevenharyanto@gmail.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2013 by Steven Haryanto.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

DESCRIPTION

FUNCTIONS

None are exported by default, but they are exportable.

pick(%args) -> [status, msg, result, meta]

Arguments ('*' denotes required arguments):

• in => any

  Input stream (e.g. array or filehandle).

• items => int (default: 1)

  Number of items to pick.

• out => any

  Output stream (e.g. array or filehandle).

Return value:

Returns an enveloped result (an array). First element (status) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element (msg) is a string containing error message, or 'OK' if status is 200. Third element (result) is optional, the actual result. Fourth element (meta) is called result metadata and is optional, a hash that contains extra information.