title: setting environment variables
body: <p>I'm setting up grails, and these are the commands the README indicates you should run for a unix machine. My problem is that the echo command doesn't output anything like it should. I double checked and have the grails folder in the right directory.</p>
  <blockquote>
  <p>&gt; set GRAILS_HOME=~/grails</p>
  <p>&gt; export GRAILS_HOME</p>
  <p>&gt; echo ${GRAILS_HOME}</p>
  <p>~/grails</p>
  </blockquote>