replacing mimeType in fedora

gistfile1.txt

ids = ActiveFedora::SolrService.query('*:*',fq: 'has_model_ssim:"ActiveFedora::DirectContainer"', fl: 'id', rows: ActiveFedora::DirectContainer.count).map{|resp| resp["id"]}
ids.each do |id|
  container = ActiveFedora::DirectContainer.find(id) rescue next
  if container.has_member_relation.first.id == "http://pcdm.org/models#hasFile"
    container.contained.map(&:id).each do |uri|
       id = ActiveFedora::Base.uri_to_id(uri)
       file = Hydra::PCDM::File.find(id)
       has_mime_type = file.metadata.attributes["http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#hasMimeType"].first
       puts has_mime_type
       new_has_mime_type = has_mime_type.gsub('scholarsphere.psu.edu','scholarsphere-stage.libraries.psu.edu').gsub('"','\\\\\\\\\"')
       curl_command = "curl -u #{ActiveFedora.config.credentials[:user]}:#{ActiveFedora.config.credentials[:password]} -i -XPATCH -H\"Content-type:application/sparql-update\" -d \"PREFIX ebucore: <http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#> DELETE {<> ebucore:hasMimeType \\\"#{has_mime_type}\\\"} INSERT {<> ebucore:hasMimeType \\\"#{new_has_mime_type}\\\"} WHERE {}\" #{uri}/fcr:metadata"
       insert_curl_command = "curl -u #{ActiveFedora.config.credentials[:user]}:#{ActiveFedora.config.credentials[:password]} -i -XPATCH -H\"Content-type:application/sparql-update\" -d \"PREFIX ebucore: <http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#> DELETE {} INSERT {<> ebucore:hasMimeType \\\"#{new_has_mime_type}\\\" .} WHERE {}\" #{uri}/fcr:metadata"
       response = `#{insert_curl_command}`
       if response.include?("HTTP/1.1 204 No Content")
         puts "converted #{uri} correctly"
       else
         logger.error "could not convert #{uri} #{response}"
       end  
    end   
  end  
end