#!/usr/local/bin/perl -w
use strict;
use Tk;
use Tk::Font;

my $mw = MainWindow->new;
my $font = $mw->Font(family  => 'courier', point => 140, weight => 'bold', slant => 'r');
my $lb = $mw->Scrolled('Listbox', -font => $font)->pack(-expand => 1, -fill => 'both');;
$mw->Button(-text => 'Quit', -command => [destroy => $mw])->pack;

opendir(DIR,".") || die "Cannot opendir '.':$!";
foreach (sort readdir(DIR))
 {
  my $size = (stat($_))[7];
  $lb->insert('end',sprintf("%6d $_",$size));
 }

MainLoop;