title: How to capitalize some words in a text file?
body: <p>I have a text file which have normal sentences. Actually I was in hurry while typing that file so I just capitalized the first letter of first word of the sentence (as per English grammar).</p>
  
  <p>But now I want that it would be better if each word's first letter is capitalized. Something like:</p>
  
  <blockquote>
    <p>Each Word of This Sentence is Capitalized</p>
  </blockquote>
  
  <p><em>Point to be noted in above sentence is <strong>of</strong> and <strong>is</strong> are not capitalized, actually I want to escape the words which has equal to or less than <strong>3</strong> letters.</em></p>
  
  <p>What should I do?</p>