path: auto-multiple-choice_1.7.0-3/AMC-perl/AMC/Queue.pm
          || debug "Can't open $self->{tmpdir}: $!";
        while ( readdir $dh ) {
            if (/^[0-9]+$/ && !$alive{$self->{pidof}->{$_}}) {
                my $f = $self->{tmpdir} . "/" . $_;
                debug "Retrieving from $f";