mysql string function(repost)

I need a FUNCTION written for MySQL 5.0.x which will work per following specification: Specification: The function will accept a comma-separated list of values. The function will return a comma-separated list of values. Each item in the return list will consist of the first 3 characters of the original list. example: select f_feature_index('apple,orange,banana'); should return: 'app,ora,ban' Function template: DELIMITER $$ DROP FUNCTION IF EXISTS `f_feature_index`$$ CREATE FUNCTION `f_feature_index`(list TEXT) RETURNS TEXT DETERMINISTIC BEGIN /* function code goes here */ END END$$ DELIMITER ; I would like this project completed very quickly (few minutes or hours). Please specify the completion time in your bid. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform MySQL 5.0.x