title: How can I add a new row to an existing Excel spreadsheet using Perl?
body: <p>I have created my Excel sheet <em>a.xls</em> using Perl where I have field as: </p>
  
  <pre><code>date         name    eid     
  13/jan/2010   asa    3175
  </code></pre>
  
  <p>When I will compile next time and if date will be more than previous date then it has to update like wise:</p>
  
  <pre><code>date         name   eid
  13/jan/2010  asa    3175
  14/jan/2010  stone  3180
  </code></pre>
  
  <p>If the date will be of previous row date as last row date is <code>14/jan/2010</code> and current date is also <code>14/jan/2010</code> then it should not insert any row it should update the previous record only.</p>