title: Is nesting of Here Document possible in a unix bash script?
body: <p>Is it possible to write a heredoc within another heredoc ?</p>
  
  <pre><code>ssh -T -q yxz@server1 &lt;&lt;-"END_TEXT"
  .
  .
      ssh -T -q abc@server2 &lt;&lt;-"SUB_TEXT"
      .
      .
      SUB_TEXT
  .
  .
  END_TEXT
  </code></pre>