Script for scraping and posting on wordpress multisite

I have some wordpress multisite with many sub domain and i want a script for autobloging on all the blog in one time which can : - scrap some text on google/yahoo based on one or more keyword or/and scrap some RSS feed - write articles with the text scraped and translate it if necessary - post it on random subdomain every day - insert link in the text with multiple anchor text of my choice This project is for today and i want a fast production.