title: How to install scala on Heroku?
body: <p>I want to use a <a href="http://www.scala-lang.org/node/166" rel="nofollow">scala script</a> in console on Heroku. 
  So, after command</p>
  
  <pre><code>$heroku run bash
  </code></pre>
  
  <p>I try a script <code>./scala_script.sh</code>, but the result is <code>scala: not found</code>.
  So, how to install scala or even some package on Heroku?</p>
  
  <p>Thanks</p>