Index: trunk/ippTasks/detrend.stack.pro
===================================================================
--- trunk/ippTasks/detrend.stack.pro	(revision 16609)
+++ trunk/ippTasks/detrend.stack.pro	(revision 17699)
@@ -126,5 +126,5 @@
 
     ## generate output log based on filerule (convert the URI to a PATH)
-    $logfile = `ipp_filename.pl --filerule LOG.IMFILE --camera $CAMERA --class_id $CLASS_ID --basename $outroot`
+    $logfile = `ipp_filename.pl --touch --filerule LOG.IMFILE --camera $CAMERA --class_id $CLASS_ID --basename $outroot`
     if ("$logfile" == "") 
       echo "WARNING: logfile not defined in detrend.stack.pro:141"