--- loncom/lonnet/perl/lonnet.pm	2001/03/19 22:27:06	1.109
+++ loncom/lonnet/perl/lonnet.pm	2001/03/20 21:33:37	1.110
@@ -91,7 +91,7 @@
 # 02/27/01 Scott Harrison
 # 3/2 Gerd Kortemeyer
 # 3/15 Scott Harrison
-# 3/19 Gerd Kortemeyer
+# 3/19,3/20 Gerd Kortemeyer
 
 package Apache::lonnet;
 
@@ -628,6 +628,23 @@ sub log {
     return critical("log:$dom:$nam:$what",$hom);
 }
 
+# --------------------------------------------- Set Expire Date for Spreadsheet
+
+sub expirespread {
+    my ($uname,$udom,$stype,$usymb)=@_;
+    my $cid=$ENV{'request.course.id'}; 
+    if ($cid) {
+       my $now=time;
+       my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
+       return &reply('put:'.$ENV{'course.'.$cid.'.domain'}.':'.
+                            $ENV{'course.'.$cid.'.num'}.
+	        	    ':nohist_expirationdates:'.
+                            &escape($key).'='.$now,
+                            $ENV{'course.'.$cid.'.home'})
+    }
+    return 'ok';
+}
+
 # ----------------------------------------------------- Devalidate Spreadsheets
 
 sub devalidate {