title: Extract data from excel using R
body: <p>I have to extract a certain subsection of data from over 100 excel files. The problem is that the total rows across these files are not constant. Is there a way I can stop R from reading data based on a string variable in one of the excel?.</p>
  
  <p><a href="https://i.stack.imgur.com/22WoM.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/22WoM.png" alt="Image given Here"></a> </p>