#!/usr/bin/env perl # Learning RPerl, Section 3.4: Array Length & Negative Indices # [[[ PREPROCESSOR ]]] # <<< EXECUTE_SUCCESS: 'have $greeting_final = howdy' >>> # [[[ HEADER ]]] use RPerl; use strict; use warnings; our $VERSION = 0.001_000; # [[[ CRITICS ]]] ## no critic qw(ProhibitUselessNoCritic ProhibitMagicNumbers RequireCheckedSyscalls) # USER DEFAULT 1: allow numeric values & print operator ## no critic qw(RequireInterpolationOfMetachars) # USER DEFAULT 2: allow single-quoted control characters & sigils ## no critic qw(ProhibitQuotedWordLists) # USER DEFAULT 10: allow ('lists', 'of', 'quoted', 'literal', 'words') ## no critic qw(RequireTrailingCommas) # USER DEFAULT 11: no trailing commas in RPerl lists # [[[ OPERATIONS ]]] my string_array @greetings = ('hello', 'hi', 'howdy'); my string $greeting_final = $greetings[-1]; print 'have $greeting_final = ', $greeting_final, "\n";