--- loncom/lonnet/perl/lonnet.pm	2003/08/22 16:07:11	1.404
+++ loncom/lonnet/perl/lonnet.pm	2003/08/25 17:20:09	1.405
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.404 2003/08/22 16:07:11 albertel Exp $
+# $Id: lonnet.pm,v 1.405 2003/08/25 17:20:09 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -245,6 +245,16 @@ sub critical {
     }
     return $answer;
 }
+
+# -------------- Remove all key from the env that start witha lowercase letter
+#                (Which is alweways a lon-capa value)
+sub cleanenv {
+    foreach my $key (keys(%ENV)) {
+	if ($key =~ /^[a-z]/) {
+	    delete($ENV{$key});
+	}
+    }
+}
  
 # ------------------------------------------- Transfer profile into environment