title: How to run coffeescript file with nodejs?
body: <p>I use coffee script to writing my node.js app. When I write an .coffeescript file and run it. It will compile into top-level function javascript and this make my code didn't run.</p>
  
  <p>Ex:</p>
  
  <p>app.coffee</p>
  
  <pre><code>console.log "Hello world";
  </code></pre>
  
  <p>Will automatically compile into</p>
  
  <pre><code>(function() {
      console.log("Hello world");
  }).call(this)
  </code></pre>
  
  <p>And this make node app.coffee didn't run.</p>
  
  <p>Can you help me whenever I run <code>node app.coffee</code> it will compile my coffeescript with <code>-bare</code> option?</p>