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henrik/gist:27428

Created November 21, 2008 12:14
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gistfile1.rbx
require 'net/http'
require 'digest/md5'
# Is there a Gravatar for this email?
def gravatar?(email)
hash = Digest::MD5.hexdigest(email.to_s.downcase)
response = Net::HTTP.new('www.gravatar.com', 80).request_head("/avatar/#{hash}?size=1&default=.")
response.code != '302'
end
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