Index: trunk/ippTasks/camera.pro
===================================================================
--- trunk/ippTasks/camera.pro	(revision 12369)
+++ trunk/ippTasks/camera.pro	(revision 12370)
@@ -132,5 +132,5 @@
 
     # output log from filerule
-    if ($WORKDIR == NULL)
+    if ("$WORKDIR" == "NULL")
       $outroot = `pwd`
     else
@@ -144,5 +144,5 @@
 
     $run = camera_exp.pl --exp_id $EXP_ID --cam_id $CAM_ID --camera $CAMERA $ARGS
-    if ($WORKDIR != NULL)
+    if ("$WORKDIR" != "NULL")
       $run = $run --workdir $outroot
     end