title: R Shiny: upload image file and save to server
body: <p>I'm trying to upload an image and then save it to the server file system using Shiny.</p>
  
  <p>To upload I've found </p>
  
  <pre><code>fileInput
  </code></pre>
  
  <p>which creates a data.frame containing the image details and datapath.  How then can this be used to save to a remote server?</p>