title: bash : Illegal number
body: <p>When I run this bash script :</p>
  
  <pre><code>if [ [$EUID -ne 0] ]; then
     echo "This script must be run as root" 1&gt;&amp;2 
     exit 1
  else 
  
  printf " whathever "
  
  exit 0 
  fi
  </code></pre>
  
  <p>I have this error :</p>
  
  <pre><code>./myScript: 15: [: Illegal number: [
  </code></pre>
  
  <p>Do you see any problem ? </p>