title: How does one find and copy files of the same extension, in different directories, to a single directory in linux?
body: <p>So,  How Do I find and copy all files, </p>
  
  <pre><code>*.a 
  </code></pre>
  
  <p>that are in, </p>
  
  <pre><code> ~/DIR{1,2,3,...} 
  </code></pre>
  
  <p>to </p>
  
  <pre><code> ~/tmp/foo?
  </code></pre>