title: Sync sort, Unpaired records of File1 have spaces for no records in F2 file. Can we replace those specific column's spaces by ZEROS?
body: <p>SORT:</p>
  
  <pre><code> JOINKEYS FILES=F1,FIELDS=(5,4,A,10,20,A)                  
   JOINKEYS FILES=F2,FIELDS=(1,4,A,6,20,A)                   
   REFORMAT FIELDS=(F1:10,20,9,1,5,4,30,1,31,10,F2:27,10)    
   JOIN UNPAIRED,F1                                          
   INREC BUILD=(1,36,C',',37,10,C',',27,10,SFF,SUB,37,10,SFF,
                   EDIT=(TTTTTT))        
  </code></pre>
  
  <p>OUTPUT IS: *2nd row 4th column is spaces as unpaired from 2nd file, needs to be 0s automatically.</p>
  
  <pre><code> 22680372            ,5102,         1,         1,000000
   22222222            ,5105,         2,          ,000002   
  </code></pre>
  
  <p>OUTPUT shud be: *2nd row 4th column is 0 or 0000s as unpaired from 2nd file, needs to be 0s automatically.</p>
  
  <pre><code> 22680372            ,5102,         1,         1,000000
   22222222            ,5105,         2,         0,000002   
  </code></pre>