title: Find RowNumber in Talend
body: <p>How to find row number in Talend Open Studio 6.3?I want to insert rows in a order like </p>
  
  <ul>
  <li>Row 1 to Row 10 in File1</li>
  <li>Row 11 to Row 20 in File2</li>
  <li>Row 21 to Row30 to File3</li>
  <li>And then again from Row 31 to file1</li>
  </ul>
  
  <p>How to achive that?I have generated a sequence column.now how to proceed?is it can be done using tsamplerow?
  Suppose the Sourcefile is like this:-</p>
  
  <pre><code>EMPNO,EMPNAME,DEPTNO
  10,A,1
  11,B,2
  12,C,3
  13,D,4
  14,E,1
  15,F,1
  16,G,2
  17,H,3
  18,I,4
  19,J,2
  20,K,3
  21,L,1
  22,M,2
  </code></pre>