title: unable to execute unix script using . script_name
body: <p>I am unable to execute following command in unix as</p>
  
  <p>e.g. -></p>
  
  <pre><code>export ENVFILE=$PARENT_DIR/../env/.tpms.evr
  </code></pre>
  
  <p>while i try to execute <code>. "${ENVFILE}"</code> it shows me error as <code>bash: 39910-: command not found</code></p>
  
  <p>can anybody let me know about how to fix this.</p>