Any ruby script to import contacts

Hi,

   I am working on the website where I need to get the import contacts
functionality from GMail, yahoo and Orkut. If any body knows about
this please let me know. I am totally on hold because of this??

Thanks,
Ramu.

http://blog.mondragon.cc/articles/2008/02/01/collect-your-contacts-with-the-blackbook-gem

Thank you very much!