Add example files to SVN

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diff --git a/src/examples/builtin_parse_action_demo.py b/src/examples/builtin_parse_action_demo.py
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+++ b/src/examples/builtin_parse_action_demo.py
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+#

+#  builtin_parse_action_demo.py

+#  Copyright, 2012 - Paul McGuire

+#

+#  Simple example of using builtin functions as parse actions.

+#

+

+from pyparsing import *

+

+integer = Word(nums).setParseAction(lambda t : int(t[0]))

+

+# make an expression that will match a list of ints (which

+# will be converted to actual ints by the parse action attached

+# to integer)

+nums = OneOrMore(integer)

+

+

+test = "2 54 34 2 211 66 43 2 0"

+print test

+

+# try each of these builtins as parse actions

+for fn in (sum, max, min, len, sorted, reversed, list, tuple, set, any, all):

+    fn_name = fn.__name__

+    if fn is reversed:

+        # reversed returns an iterator, we really want to show the list of items

+        fn = lambda x : list(reversed(x))

+

+    # show how each builtin works as a free-standing parse action

+    print fn_name, nums.setParseAction(fn).parseString(test)