title: how to extract text which matches particular fields in text file using linux commands
body: <p>Hi below is my text file</p>
  
  <pre><code>{"Author":"john"
    "subject":"java"
    "title":"java cook book.pdf"}
  
  {"title":"Php book.pdf"
   "Author":"Smith"
   "subject":"PHP"}
  
  {"Author":"Smith"
  "title":"Java book.pdf"}
  </code></pre>
  
  <p>from the above data i want to extract all titles which contains "java" word, i should get the following output</p>
  
  <pre><code>java cook book.pdf
  Java book.pdf
  </code></pre>
  
  <p>Please suggest me</p>
  
  <p>Thanks</p>