#-------------------------------------------------------------------------
# Check for the existence of the directories requested by the user.
#-------------------------------------------------------------------------
#
sub YCHECK
  {
    my ($user, $sid, $oraserv, $site, @dates) = @_;
    my ($server, $path, $ytmp, $datdir, $fullpath, $tmpfull, $what, $what2);
    my @vdates = ();
    my %paths = ();
    my %tmps = ();
    my $njobs = 0;
    my $maxnjobs = 10;

    if (($site =~ "l",) || ($site =~ "c") || ($site =~ "n")
	|| ($site =~ "w"))
      {
	$site = "l";
	$server = "yos.$site.com";
	$path = "/people/$user/$oraserv/$sid/arch/";
	$ytmp = "/tmp/$oraserv/$sid/";
      }
    elsif ($site =~ /wf/)
      {
	$server = "yos.$site.com";
	$path = "/people/$user/$oraserv/$sid/arch/";
	$ytmp = "/tmp/$oraserv/$sid/";

      }
    elsif ($site =~ "h")
      {
	$server = "yos.$site.com";
	$path = "/people/$user/$oraserv/$sid/arch/";
	$ytmp = "/tmp/$oraserv/$sid/";

      }
    else
      {
	die "$site is not a valid site for this script please contact
           "; 
      }


    foreach $datdir (@dates)
       {
        $fullpath = (join ('', $path, $datdir));
        $fulltmp = (join ('', $ytmp, $datdir));
	my $pid = fork();
	if ($pid == 0)
	  {
	    $what = `rsh $server ls -ld $fullpath`;
	    if ($what =~/\S/)
	      {
		$what2 = `rsh $server 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);

  }