How do I change email addresses stored in Crowd - in bulk?

Question

* i have a group of users in Crowd
* I need to change email addresses for all users in that group (110's of users)

what are my options to do it in the most effective way? thanks

EDIT: I am reading about http://confluence.atlassian.com/display/CROWDDEV/Crowd+REST+APIs

Colin Goudie · Accepted Answer

If this is going to be an infrequent event I would consider just doing it in the database. (Assuming you are just changing the URL part of the email address). But if you a simple mapping table would also do it.