diff --git a/Mac/scripts/PackLibDir.py b/Mac/scripts/PackLibDir.py
index 2afb26f..1180318 100644
--- a/Mac/scripts/PackLibDir.py
+++ b/Mac/scripts/PackLibDir.py
@@ -6,69 +6,33 @@
 import os
 import macfs
 import sys
-
-READ = 1
-WRITE = 2
-smAllScripts = -3
+import py_resource
 
 error = 'mkpycresourcefile.error'
 
-def Pstring(str):
-	if len(str) > 255:
-		raise ValueError, 'String too large'
-	return chr(len(str))+str
-	
-def createoutput(dst):
-	"""Create output file. Return handle and first id to use."""
-	
-
-	FSpCreateResFile(dst, 'Pyth', 'rsrc', smAllScripts)
-	output = FSpOpenResFile(dst, WRITE)
-	UseResFile(output)
-	num = 128
-	return output, num
-	
-def writemodule(name, id, data):
-	"""Write pyc code to a PYC resource with given name and id."""
-	# XXXX Check that it doesn't exist
-	res = Resource(data)
-	res.AddResource('PYC ', id, name)
-	res.WriteResource()
-	res.ReleaseResource()
-		
 def mkpycresourcefile(src, dst):
 	"""Copy pyc file/dir src to resource file dst."""
 	
 	if not os.path.isdir(src) and src[-4:] <> '.pyc':
 			raise error, 'I can only handle .pyc files or directories'
-	handle, oid = createoutput(dst)
+	fsid = py_resource.create(dst)
 	if os.path.isdir(src):
-		id = handlesubdir(handle, oid, src)
+		handlesubdir(src)
 	else:
-		id = handleonepycfile(handle, oid, src)
-	print 'Wrote',id-oid,'PYC resources to', dst
-	CloseResFile(handle)
+		id, name = py_resource.frompycfile(src)
+		print 'Wrote %d: %s %s'%(id, name, src)
+	CloseResFile(fsid)
 			
-def handleonepycfile(handle, id, file):
-	"""Copy one pyc file to the open resource file"""
-	d, name = os.path.split(file)
-	name = name[:-4]
-	print '  module', name
-	writemodule(name, id, open(file, 'rb').read())
-	return id+1
-	
-def handlesubdir(handle, id, srcdir):
+def handlesubdir(srcdir):
 	"""Recursively scan a directory for pyc files and copy to resources"""
-	print 'Directory', srcdir
 	src = os.listdir(srcdir)
 	for file in src:
 		file = os.path.join(srcdir, file)
 		if os.path.isdir(file):
-			id = handlesubdir(handle, id, file)
+			handlesubdir(file)
 		elif file[-4:] == '.pyc':
-			id = handleonepycfile(handle, id, file)
-	return id
-				
+			id, name = py_resource.frompycfile(file)
+			print 'Wrote %d: %s %s'%(id, name, file)
 	
 if __name__ == '__main__':
 	args = sys.argv[1:]