meta tag scraper

I'm trying to get meta tag information for each page on a particular site, preferable in a txt file. What's the simplest way of doing this?

(I mean besides going to each page one by on开发者_高级运维e, viewing source and then copying and pasting the tags, which would be the simplest but also wouldn't be any fun)

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You could use a tool like this: Scraping Links With PHP, or you could use fopen to open the pages and then regunales expressions may take out the tags html tags.