Craigslist Email Harvester

Hello Programmers, I need a CL email harvester which can do the following: 1- Can crawl in specific category's sepcific section for specific date only. 2- Can get the email addresses plus the ad contents (only for ads posted with personal emails or which contain personal email details in ad content). If someone has already in-hand then show me demonstration. Please budget for this is very low so, bid accordingly (high bids are better not to be placed) Thanks