title: How to add env key and values in a dictionary for bash script
body: <p>I have two env variables </p>
  
  <pre><code>SMTP_PASSWORD=SMTP_PASSWORD_KEY
  MICROSCANNER_TOKEN=MICROSCANNER_TOKEN_KEY
  </code></pre>
  
  <p>I need to add this to a dict using bash</p>
  
  <p><strong>eg: arr["SMTP_PASSWORD"]=SMTP_PASSWORD_KEY</strong></p>
  
  <p>the key and value should be taken from env </p>