title: Extract files from GBQ to GCS without csv header using bq command line
body: <p>Is it possible to run a command like:</p>
  
  <pre><code>bq extract &lt;source_table&gt; &lt;destination_uris&gt;
  </code></pre>
  
  <p>and use a flag to export without the csv header?  Similar to the API flag mentioned <a href="https://stackoverflow.com/questions/24972432/transfer-large-file-from-google-bigquery-to-google-cloud-storage">here</a>, but without using the API- just via <code>bq extract...</code></p>