--- loncom/lonnet/perl/lonnet.pm	2002/08/30 22:01:31	1.267.4.4
+++ loncom/lonnet/perl/lonnet.pm	2002/09/17 20:01:30	1.267.4.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.267.4.4 2002/08/30 22:01:31 albertel Exp $
+# $Id: lonnet.pm,v 1.267.4.7 2002/09/17 20:01:30 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -351,9 +351,10 @@ sub delenv {
 # ------------------------------ Find server with least workload from spare.tab
 
 sub spareserver {
+    my $loadpercent = shift;
     my $tryserver;
     my $spareserver='';
-    my $lowestserver=100;
+    my $lowestserver=$loadpercent; 
     foreach $tryserver (keys %spareid) {
        my $answer=reply('load',$tryserver);
        if (($answer =~ /\d/) && ($answer<$lowestserver)) {
@@ -2430,6 +2431,30 @@ sub dirlist {
     }
 }
 
+# --------------------------------------------- GetFileTimestamp
+# This function utilizes dirlist and returns the date stamp for
+# when it was last modified.  It will also return an error of -1
+# if an error occurs
+
+sub GetFileTimestamp {
+    my ($studentDomain,$studentName,$filename,$root)=@_;
+    $studentDomain=~s/\W//g;
+    $studentName=~s/\W//g;
+    my $subdir=$studentName.'__';
+    $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
+    my $proname="$studentDomain/$subdir/$studentName";
+    $proname .= '/'.$filename;
+    my @dir = &Apache::lonnet::dirlist($proname, $studentDomain, $studentName,
+                                       $root);
+    my $fileStat = $dir[0];
+    my @stats = split('&', $fileStat);
+    if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') {
+        return $stats[9];
+    } else {
+        return -1;
+    }
+}
+
 # -------------------------------------------------------- Value of a Condition
 
 sub directcondval {
@@ -2513,7 +2538,7 @@ sub courseresdata {
 # --------------------------------------------------------- Value of a Variable
 
 sub EXT {
-    my ($varname,$symbparm,$udom,$uname)=@_;
+    my ($varname,$symbparm,$udom,$uname,)=@_;
 
     unless ($varname) { return ''; }
 
@@ -2670,10 +2695,16 @@ sub EXT {
 # --------------------------------------------- last, look in resource metadata
 
 	$spacequalifierrest=~s/\./\_/;
-	my $metadata=&metadata($ENV{'request.filename'},$spacequalifierrest);
+	my $filename;
+	if (!$symbparm) { $symbparm=&symbread(); }
+	if ($symbparm) {
+	    $filename=(split(/\_\_\_/,$symbparm))[2];
+	} else {
+	    $filename=$ENV{'request.filename'};
+	}
+	my $metadata=&metadata($filename,$spacequalifierrest);
 	if ($metadata) { return $metadata; }
-	$metadata=&metadata($ENV{'request.filename'},
-			    'parameter_'.$spacequalifierrest);
+	$metadata=&metadata($filename,'parameter_'.$spacequalifierrest);
 	if ($metadata) { return $metadata; }
 
 # ------------------------------------------------------------------ Cascade up
@@ -3217,7 +3248,7 @@ BEGIN {
 
     while (my $configline=<$config>) {
        chomp($configline);
-       if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
+       if ($configline) {
           $spareid{$configline}=1;
        }
     }