Export form data from flash as comma delimited text file

Hi guys and girls, I am building an ecard for a band and they need to have a section where a user can input their email to received email updates, or their cell phone provider and number to receive text message updates. to do this, I need to make a form that exports a comma delimited text file. or some sort of solution that exports a file that the label can tap into to get all the info that people submit. is there a tut out there to do this? any help would be appreciated!

mikey