title: How to print the result of a variable in echo in bash?
body: <p>I have the following bash script, I would like to print <code>now</code> inside the echo, I receive an error and not able to make it. Could you please point me out in the right direction?</p>
  
  <pre><code>    $now = date -u +"%Y-%m-%dT%H:%M:%SZ"
      echo '
      {
          "a": {
              "timestamp": $now,
          },
      }
      '
  </code></pre>