Add hex-dec.pl

hex-dec.pl

@@ -0,0 +1,17 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use 5.010;
+
+for ( @ARGV ) {
+    my $sum;
+    my @digits = reverse( split "", $_ );
+    for ( my $i=0; $i<=$#digits; $i++) {
+        my $hex= hex($digits[$i]);
+        say "$digits[$i] to the $i";
+        $sum += $hex * 16 ** $i;
+
+    }
+say "sum = $sum";
+}
+