title: How to search and replace multi line text AWK
body: <p>I have a file with following content  (snippet)  -- The test could be anywhere in the file.</p>
  
  <pre><code>More text here
  Things-I-DO-NOT-NEED:
        name: "Orange"
  
        count: 8
  
        count: 10
  
  
  Things-I-WANT:
        name: "Apple"
  
        count: 3
  
        count: 4
  
  More text here
  </code></pre>
  
  <p>I would like to replace : (Including indentation)  </p>
  
  <pre><code>Things-I-WANT:
        name: "Apple"
  
        count: 3
  
        count: 4
  </code></pre>
  
  <p>with </p>
  
  <pre><code>Things-I-WANT:
        name: "Banana"
  
        count: 7
  </code></pre>
  
  <p>Any suggestions on achieving it using awk/sed?  Thanks!</p>