Youtube html extraction

I’m building an application using open-uri and hpricot for html contents
of a web page. The problem is when i enter the url of youtube
ie.‘’ an error is shown stating:

/usr/lib/ruby/1.8/open-uri.rb:277:in open_http': 400 Bad Request (OpenURI::HTTPError) from /usr/lib/ruby/1.8/open-uri.rb:616:inbuffer_open’
from /usr/lib/ruby/1.8/open-uri.rb:164:in open_loop' from /usr/lib/ruby/1.8/open-uri.rb:162:incatch’
from /usr/lib/ruby/1.8/open-uri.rb:162:in open_loop' from /usr/lib/ruby/1.8/open-uri.rb:132:inopen_uri’
from /usr/lib/ruby/1.8/open-uri.rb:518:in open' from /usr/lib/ruby/1.8/open-uri.rb:30:inopen’
from htmlParse.rb:32

I dont know why it is shown like this. I can get the data of other url’s
except this one. Can anybody please help. It is urgent.

Arun K.

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