#!/usr/bin/perl
use strict;
use warnings;
use Barcode::Cuecat;
# seperate counters for open and closed
my $open = 0;
my $close = 0;
my $door;
my $bc = new Barcode::Cuecat();
while (<>) {
    $bc->scan($_);
    $door .= $bc->code();
    if (length $door == 2) {
      $open++ if ($door eq "01");
      $close++ if ($door eq "10");
      $door = "";
      # we will assume the door started out closed
      my $state = "closed";
      $state = "open" if ($open > $closed);
      print "Opened: $open times\n";
      print "Closed: $closed times\n";
      print "Current state: $state\n";
      # write to disk
    }
}