diff --git a/src/command_line.py b/src/command_line.py
index f3c50b2..5922840 100644
--- a/src/command_line.py
+++ b/src/command_line.py
@@ -38,8 +38,9 @@ options['i'] = [ 'init'         , 'Initialize current directory', 0 ]
 options['D'] = [ 'define'       , 'Define variable', 1 ]
 options['o'] = [ 'checkopt'     , 'Show where optimization may be required', 0 ]
 options['p'] = [ 'preprocess'   , 'Preprocess file', 1 ]
-options['t'] = [ 'openmp'       , 'Task Auto-parallelization', 0 ]
+options['t'] = [ 'touch'        , 'Display which entities are touched', 1 ]
 options['m'] = [ 'memory'       , 'Debug memory info', 0 ]
+options['z'] = [ 'openmp'       , 'Automatic openMP tasks (may not work)', 0 ]
 
 class CommandLine(object):
 
@@ -67,6 +68,15 @@ class CommandLine(object):
     return self._preprocessed
   preprocessed = property(fget=preprocessed)
 
+  def touched(self):
+    if '_touched' not in self.__dict__:
+      self._touched = []
+      for o,a in self.opts:
+        if o in [ "-t", options['t'][0] ]:
+          self._touched.append(a)
+    return self._touched
+  touched = property(fget=touched)
+
   def usage(self):
     t = """
 $EXE - $DESCR
diff --git a/src/irpf90.py b/src/irpf90.py
index fba054a..96db9b7 100644
--- a/src/irpf90.py
+++ b/src/irpf90.py
@@ -47,6 +47,7 @@ def main():
         for line in text:
           print line.text
 
+
   if not command_line.do_run:
     return
 
@@ -69,5 +70,17 @@ def main():
   import create_man
   create_man.run()
 
+  if command_line.do_touch:
+    from variables import variables
+    for var in command_line.touched:
+      if var not in variables:
+        print "%s is not an IRP entity"%(var,)
+      else:
+        print "%s touches the following entities:"%(var,)
+        parents = variables[var].parents
+        parents.sort()
+        for x in parents:
+          print "- %s"%(x,)
+
 if __name__ == '__main__':
   main()