--- loncom/lonnet/perl/lonnet.pm	2002/08/30 22:01:31	1.267.4.4
+++ loncom/lonnet/perl/lonnet.pm	2002/09/03 01:29:35	1.267.4.5
@@ -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 1.267.4.5 2002/09/03 01:29:35 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2430,6 +2430,30 @@ 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 {