Basic app that create vcf file with all contact

Avg Bid (USD)
Project Budget (USD)
$10 - $30

Project Description:
I need basic xcode project app with 1 button - "back-up contacts".
after the user tap on this button its create a vcf file with all user contacts. And lets him to send that via e-mail.
Thats all. Without design, just codeing.

Thanks you and sorry about my english..

Exmpale :

Additional Project Description:
07/12/2013 at 9:29 EDT
Please help me, its project to my school :(

Skills required:
iPhone, Mobile Phone, Objective C
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