Data::Unixish::map - Perl map
This document describes version 1.47 of Data::Unixish::map (from Perl distribution Data-Unixish), released on 2014-06-12.
In Perl:
use Data::Unixish qw(lduxl); my @res = lduxl([map => {callback => sub { 1 + $_ }}], 1, 2, 3); # => (2, 3, 4)
In command-line:
% echo -e "1\n2\n3" | dux map '1 + $_' 2 3 4
Perl map.
Process each item through a callback.
Arguments ('*' denotes required arguments):
callback* => code|str
The callback coderef to use.
in => any
Input stream (e.g. array or filehandle).
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.
Please visit the project's homepage at https://metacpan.org/release/Data-Unixish.
Source repository is at https://github.com/sharyanto/perl-Data-Unixish.
Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=Data-Unixish
When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.
Steven Haryanto <stevenharyanto@gmail.com>
This software is copyright (c) 2014 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.
To install Data::Unixish, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Data::Unixish
CPAN shell
perl -MCPAN -e shell install Data::Unixish
For more information on module installation, please visit the detailed CPAN module installation guide.