Hi, Thanks for replying. Here is the complete function starting from the comments. Please let me know what you think. Thanks.

 
#---------------------------------------------------------------------
+----
# 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, $w
+hat2);
    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);

  }
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