Data::Unixish::head - Output the first items of data
version 1.41
In Perl:
use Data::Unixish::head; my @res; @res = dux("head", 1..100); # => (1..10) @res = dux([head => {items=>3}], 1..100); # => (1, 2, 3)
In command line:
% seq 1 100 | dux head -n 20 | dux tail --format=text-simple -n 5 16 17 18 19 20
Steven Haryanto <stevenharyanto@gmail.com>
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.
None are exported by default, but they are exportable.
Arguments ('*' denotes required arguments):
in => any
Input stream (e.g. array or filehandle).
items => int (default: 10)
Number of items to output.
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.
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.