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diff --git a/externals/grill/py/scripts/threads.py b/externals/grill/py/scripts/threads.py
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+# py/pyext - python script objects for PD and MaxMSP
+#
+# Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
+# For information on usage and redistribution, and for a DISCLAIMER OF ALL
+# WARRANTIES, see the file, "license.txt," in this distribution.  
+#
+
+"""This is an example script for the py/pyext object's threading functionality.
+
+For threading support pyext exposes several function and variables
+
+- _detach([0/1]): by enabling thread detaching, threads will run in their own threads
+- _priority(prio+-): you can raise or lower the priority of the current thread
+- _stop({wait time in ms}): stop all running threads (you can additionally specify a wait time in ms)
+- _shouldexit: this is a flag which indicates that the running thread should terminate
+
+"""
+
+import pyext
+from time import sleep
+
+#################################################################
+
+class ex1(pyext._class):
+	"""This is a simple class with one method looping over time."""
+
+	# number of inlets and outlets
+	_inlets=2
+	_outlets=2
+
+	sltime=0.2 # sleep time
+	loops=30   # loops to iterate
+
+	# method for bang to any inlet
+	def bang_(self,n):
+		for i in range(30):
+			# if _shouldexit is true, the thread ought to stop
+			if self._shouldexit: break
+
+			self._outlet(n,i)
+			sleep(self.sltime)
+
+