title: Using map functionality in shell script
body: <p>I have below shellscript</p>
  
  <pre><code>MYMAP12=$(java -jar hello-0.0.1-SNAPSHOT.jar)
  echo  "==="
  echo ${MYMAP12}
  </code></pre>
  
  <p>The output of java -jar hello-0.0.1-SNAPSHOT.jar will be map <code>{one=one, two=two, three=three}</code>
  how to get each element from the key in shell script</p>
  
  <p>I tried  <code>echo ${MYMAP12{one}}</code> but it gave me an error</p>