Index: trunk/ippTasks/register.pro
===================================================================
--- trunk/ippTasks/register.pro	(revision 30111)
+++ trunk/ippTasks/register.pro	(revision 30120)
@@ -30,4 +30,7 @@
     active true
   end
+  task register.imfile.revert
+    active false
+  end
   task register.exp.load
     active true
@@ -51,4 +54,7 @@
     active false
   end
+  task register.imfile.revert
+    active false
+  end
   task register.exp.load
     active false
@@ -61,4 +67,16 @@
   end
   task register.burntool.run
+    active false
+  end
+end
+
+macro register.revert.on
+  task register.imfile.revert
+    active true
+  end
+end
+
+macro register.revert.off
+  task register.imfile.revert
     active false
   end
@@ -147,4 +165,5 @@
 $regPendingImfile_DB = 0
 $regPendingBurntoolImfile_DB = 0
+$regRevertImfile_DB = 0
 $regPendingExp_DB = 0
 
@@ -295,4 +314,48 @@
   end
 end
+
+task register.imfile.revert
+  host         local
+  periods      -poll 60.0
+  periods      -exec 1800.0
+  periods      -timeout 120.0
+  npending     1
+
+  stdout       NULL
+  stderr       $LOGDIR/register.imfile.revert.log
+
+  task.exec
+    $run = regtool -revertprocessedimfile
+    if ($DB:n == 0) 
+      option DEFAULT
+    else
+      option $DB:$regRevertImfile_DB
+      $run = $run -dbname $DB:$regRevertImfile_DB
+      $regRevertImfile_DB ++
+      if ($regRevertImfile_DB >= $DB:n) set regRevertImfile_DB = 0
+    end
+    add_poll_args run
+    command $run
+  end
+
+  # success
+  task.exit    0
+  end
+
+  # locked list
+  task.exit    default
+    showcommand failure
+  end
+
+  task.exit    crash
+    showcommand crash
+  end
+
+  # operation times out
+  task.exit    timeout
+    showcommand timeout
+  end
+end
+
 
 # select exposures ready for register_exp.pl