From: _why <why@...>
Date: 2008-09-23T04:00:50+09:00
Subject: Re: Streaming media with net/http

On Tue, Sep 23, 2008 at 03:24:49AM +0900, William Spitzer wrote:
> So I was wondering how one would capture a continuous stream of data
> (for instance a net radio station or a webcam) with the net/http
> library?

Here's an example of streaming the Ubuntu ISO with Net::HTTP:

  require 'net/http'
  uri = URI("http://mirrors.us.kernel.org/ubuntu-releases/hardy/ubuntu-8.04.1-desktop-i386.iso")
  Net::HTTP.get_response(uri) do |res|
    size, total = 0, res.header['Content-Length'].to_i
    res.read_body do |chunk|
      size += chunk.size
      puts "%d%% done (%d of %d)" % [(size * 100) / total, size, total]
    end
  end

So, before the `read_body` block, you can examine the headers.  And
inside the `read_body` block, you can handle chunks as they come in.
In your case, you'd pass them to file.write.

_why