title: Unix command to generate four digit random number with four decimals
body: <p>I want to generate a random number between 1000 and 9999 with 4 digit decimals.</p>
  
  <p>eg : 2345.5678</p>
  
  <p>For generating  a random four digit number i'm using the following </p>
  
  <pre><code>$((1000 + RANDOM % 9999))
  </code></pre>
  
  <p>How do i add decimal to this ?</p>