Good show! Might I suggest importing a dishwasher object from the kitchen module, though, in which case the process might be a little shorter....

#!/usr/bin/perl

use strict;
use warnings;

use kitchen qw(kitchenSink dishwasher);

my $sink = new kitchenSink;
my @dirties = kitchenSink->get('DIRTIES');
my $washer = new dishwasher( 'dry_method' => 'heat', 
                             'wash_cycle' => 'high' );

while (@dirties) {
  $washer->load(shift @dirties) 
      while (not $washer->is_full);
  $washer->add('detergent');
  $washer->add('rinse_agent') 
      if ($washer->has_a('rinse_agent_dispenser'));
  $washer->close('door');
  $washer->run;
  my @clean = $washer->unload;
  while (@clean) {
    put_away($_, getLocation($_));
  }
}

print "We're done!\n";
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This does assume, however, that the version of the kitchen module used has support for a dishwasher object, though.

If you want to be really "on the ball", you might want to look at using multiple processes or threads, so the next washing/unload actions could be in progress while you are putting away the previous load's clean dishes.