Parse vcard file[s] generated by Contacts.app on OS X, and spit out some csv values suitable for use with Campaign Monitor etc.

vcard-to-csv.py

#!/usr/bin/env python

import vobject
import sys

for fname in sys.argv[1:]:
	f = open(fname)
	v = vobject.readComponents(f)

	while True:
		try:
			for i in v:
				print u"{}, {}".format(i.fn.value, i.email.value).encode('utf-8')
			break
		except Exception, e:
			print u"got an error: {}".format(i.fn.value)

Requires vobject.