#!/usr/bin/perl

# save_state.pl -- author: Oliver Bossert
# Copyright (C) 2004 Oliver Bossert
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

use strict;
use warnings;

use File::Find;
use Digest::MD5;

my $FILE = ".savedates";

my @data = ();

find sub { 
  my ($atime, $s_time) = (stat($_))[8,9];

  my $omd5 = Digest::MD5->new;
  open(F, $_) or die "Can't open '$_': $!";
  binmode(F);
  while (<F>) {
    $_ =~ s/date\" content=\"[^\"]+\"//;
    $omd5->add($_);
  }
  my $md5 = $omd5->b64digest; #Digest::MD5->new->addfile(*F)->hexdigest;
  close F;

  push @data, [$File::Find::name, $md5, $atime, $s_time];
}, ".";

open (F1, ">.savedates") or die "Could not write to file!";
foreach my $d ( @data ) {
  print F1 join("\t", @{$d}) . "\n";
}
close F1;