Task 1

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+#!/bin/perl
+
+=pod
+
+The Weekly Challenge - 139
+ - https://perlweeklychallenge.org/blog/perl-weekly-challenge-139/#TASK1
+
+Author: Niels 'PerlBoy' van Dijke
+
+TASK #1 › JortSort
+Submitted by: Mohammad S Anwar
+
+You are given a list of numbers.
+
+Write a script to implement JortSort. It should return true/false depending 
+if the given list of numbers are already sorted.
+
+=cut
+
+use v5.16;
+use strict;
+use warnings;
+
+use List::MoreUtils qw(none slide);
+
+sub jortSort(@) {
+  no warnings 'once';
+  none{$_<0}(slide{$b-$a}@_);
+}
+
+printf "(%s) => %d\n", join(',',@ARGV), jortSort(@ARGV) // 'undef';