title: What does it mean "bash < <( curl http://rvm.io/releases/rvm-install-head )"
body: <p>The RVM homepage</p>
  
  <p><a href="http://rvm.io/" rel="nofollow">http://rvm.io/</a></p>
  
  <p>recommends people install RVM using</p>
  
  <pre><code>bash &lt; &lt;( curl http://rvm.io/releases/rvm-install-head )
  </code></pre>
  
  <p>What is this syntax? <code>command &lt;( another_command)</code></p>
  
  <p>Can't the original line be? <code>curl http://rvm.io/releases/rvm-install-head | bash</code></p>