foreach $datdir (@dates)
       {
        $fullpath = (join ('',$ypath, $datdir));
        $fulltmp = (join ('', $ytmp, $datdir));
	my $pid = fork();
	if ($pid == 0)
	  {
	    $what = `rsh $yte ls -ld $fullpath`;
	    if ($what =~/\S/)
	      {
		$what2 = `rsh $yte mkdir -p $fulltmp`;
		if ($what2 !~/\S/)
	        {
		  exit 1;
		}
	      }
	    exit 0;
	  }
	$paths{$pid} = $fullpath;
	$njobs++;
	while ($njobs >= $maxnjobs)
	  {
	    $waitpid = wait();
	    if ($?)
	      {
		push(@vdates, $paths{$waitpid});
	      }
	    $njobs--;
	  }
      }
    while ($njobs > 0)
      {
	$waitpid = wait();
	if ($?)
	  {
	    push(@vdates, $paths{$waitpid});
	  }
	$njobs--;
      }
    my @sorteddates = sort(@vdates);
    return(@sorteddates);