title: Merge two csv files in bash
body: <p>I have two csv files.</p>
  
  <p><strong>Columns of the first file</strong></p>
  
  <pre><code>col1, col2, col3,......col4095, col4096, col4097
  </code></pre>
  
  <p><strong>Columns of the second file</strong></p>
  
  <pre><code>col1, col2, col3,......,col4095, col4096, col4097
  </code></pre>
  
  <p><strong>Expected output - the last column of the first file is discarded</strong></p>
  
  <pre><code>col1, col2, col3.......,col4095. col4096, col1, col2, col3....col4095, col4096, col4097
  </code></pre>
  
  <p>Both files have the same number of rows, I want to merge the two files into one file.</p>