gistfile1.rb

installs = {}
diags_container.blobs.each do|blob|
  puts blob.url
  blob.url =~ /\b([A-F0-9]{8}(?:-[A-F0-9]{4}){3}-[A-Z0-9]{12}\b)/i

  unless $1.nil?
    if installs[$1].nil?
      installs[$1] = [] #init array
    end
    installs[$1] << blob.url
  end
end