title: Unix - combine all rows into a comma-separated single row
body: <p>I have following values in a file in separate lines:<br/>
  California<br/>
  New York<br/>
  Washington<br/>
  South Carolina<br/>
  Kansas<br/></p>
  
  <p>What would be unix script to display them in a single line (as showb below)<br/>
  'California', 'New York', 'Washington', 'South Carolina', 'Kansas'<br/>
  [I do not want to have any intermediate file to achieve this.. just an echo code is fine]</p>