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christoshrousis/gist:ea6b5475c457ae666810

Created April 10, 2015 02:32
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Ruby - Check if remote image url is valid
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gistfile1.rb
require 'open-uri'
require 'net/http'
def remote_file_exists?(url)
url = URI.parse(url)
Net::HTTP.start(url.host, url.port) do |http|
return http.head(url.request_uri)['Content-Type'].start_with? 'image'
end
end
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