title: Run ant exec task from different folder
body: <p>I want to run my &quot;exec grails&quot; task into my grails project. I set grail path in exec task like</p>
  <pre><code> &lt;exec executable=&quot;${grails}&quot;
  </code></pre>
  <p>How can I say , that exec should start from my project folder?</p>