title: How to export dot separated environment variables
body: <p>Execution of</p>
  
  <pre><code>user@EWD-MacBook-Pro:~$ export property.name=property.value
  </code></pre>
  
  <p>Gives me</p>
  
  <pre><code>-bash: export: `property.name=property.value': not a valid identifier
  </code></pre>
  
  <p>Is it possible to have system properties with dot inside? If so how do that?</p>