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diff --git a/challenge-139/steven-wilson/perl/ch-1.pl b/challenge-139/steven-wilson/perl/ch-1.pl
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+#!/usr/bin/env perl
+# Week 139 Task 1
+# JortSort
+
+use strict;
+use warnings;
+use feature qw/ say /;
+use Test::More;
+
+my @input1_t = qw/ 1 2 3 4 5 /;
+my @input2_t = qw/ 1 3 2 4 5 /;
+ok( jortsort( \@input1_t ) == 1, "Sorted" );
+ok( jortsort( \@input2_t ) == 0, "Unsorted" );
+done_testing();
+
+sub jortsort {
+    my $input_ref    = shift;
+    my @input        = @{$input_ref};
+    my @sorted_input = sort @input;
+    my $length       = scalar @input;
+    my $sorted       = 1;
+    for ( my $index = 0; $index < $length; $index++ ) {
+        if ( $input[$index] != $sorted_input[$index] ) {
+            $sorted = 0;
+            last;
+        }
+    }
+    return $sorted;
+}