title: howto abort all incomplete multipart uploads for a bucket
body: <p>Sometimes multipart uploads hang or don't complete for some reason. In that case you are stuck with orphaned parts that are tricky to remove. You can list them with:</p>
  
  <pre><code>aws s3api list-multipart-uploads --bucket $BUCKETNAME
  </code></pre>
  
  <p>I am looking for way to abort them all.</p>