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There is also no script that will run "universally" -- but any script you'd get that could run on your server would have to be customized to grab the particular text you want anyway (unless you're planning to swipe the whole page, which has badness written all over it).
If you know anything about coding, there are a lot of useful functions that can help you write one of these scripts yourself. If you know PHP, you can use the "fopen()" function to open remote URLs. Most system languages allow you to run system commands, so usually you can run "wget" on most Unix-based systems and parse the output from the retrieved page.