File downloader written in ruby

Which APIs are n开发者_JS百科ecessary to make a file downloader in ruby programming language?

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The namespace Net::HTTP contains every usefull tools for HTTP requests in ruby.

The documentation isn't very clear but it's very useful : http://ruby-doc.org/stdlib/libdoc/net/http/rdoc/index.html

I found this example on google : http://snippets.dzone.com/posts/show/2469

Net::HTTP always done the job for me, i hope it's will be the same for you.