From: "ara.t.howard" <ara.t.howard@...>
Date: 2008-11-07T08:31:54+09:00
Subject: Re: Partial Read From URL


On Nov 6, 2008, at 4:24 PM, Elliot Temple wrote:

> Can anyone see a problem with this code to read only 20k from a URL?  
> The
> http connection will get closed, right?
>
> Is there a better way to do this? My goal is to download the start of
> mp3 files and then estimate their duration without downloading the
> entire file.
>
> def partial_uri_read(uri)
>  u = URI.parse(uri)
>  s = ""
>  Net::HTTP.start(u.host, u.port) do |http|
>    http.request_get(u.path) do |response|
>      response.read_body do |chunk|
>        s << chunk
>        return s if s.size > 20000
>      end
>    end
>  end
>  s
> end
>
> Thanks
> Elliot Temple
> -- 
> Posted via http://www.ruby-forum.


maybe try


require 'open-uri'

uri = ......

open(uri){|fd| fd.read 20000}




a @ http://codeforpeople.com/
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