Convert print statements to function calls in Tools/.
diff --git a/Tools/scripts/rgrep.py b/Tools/scripts/rgrep.py
index 9d3d595..12d736e 100755
--- a/Tools/scripts/rgrep.py
+++ b/Tools/scripts/rgrep.py
@@ -52,12 +52,12 @@
         lines.reverse()
         for line in lines:
             if prog.search(line):
-                print line
+                print(line)
 
 def usage(msg, code=2):
     sys.stdout = sys.stderr
-    print msg
-    print __doc__
+    print(msg)
+    print(__doc__)
     sys.exit(code)
 
 if __name__ == '__main__':