title: Need to convert Fixed Width File to 'Comma' delimited in unix
body: <p>Need to convert Fixed Width File to 'Comma' delimited in unix.</p>
  
  <pre><code>k12582927001611USNA
  k12582990001497INAS
  k12583053001161LNEU
  </code></pre>
  
  <p>Required output:</p>
  
  <pre><code>k,1258292700,1611,US,NA
  k,1258299000,1497,IN,AS
  k,1258305300,1161,LN,EU
  </code></pre>