NAME

Data::Unixish::tail - Output the last items of data

VERSION

version 1.41

SYNOPSIS

In Perl:

 use Data::Unixish::List qw(dux);
 my @res;
 @res = dux(tail => (1..100)); # => (91..100)
 @res = dux([tail => {items=>3}], (1..100)); # => (98, 99, 100)

In command line:

 % seq 1 100 | dux tail --format=text-simple -n 5
 96
 97
 98
 99
 100

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.

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

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.