#!/usr/bin/perl

use strict;
use warnings;

use Devel::MAT;

my $df = Devel::MAT->load( $ARGV[0] // die "Need dumpfile\n" )->dumpfile;

my $addr = $ARGV[1] // die "Need addr\n";
$addr = hex $addr if $addr =~ m/^0x/;

my $sv = $df->sv_at( $addr );
$sv or die sprintf "No SV at %#x\n", $addr;
$sv->type eq "SCALAR" or die "SV is not a SCALAR\n";
defined( my $pv = $sv->pv ) or die "SV does not have a PV\n";
print $pv;