if (-e $NEXT_FILE){
                   sleep 3;        #SLEEP TO ALLOW OS TO SYNC UP
                   close(ACCT);
                   $DETAIL_FILE = $NEXT_FILE;
                   open (ACCT, "$DETAIL_FILE") || die "couldn't open file: $!\n";
                   $NEXT_FILE = get_next_file_name($DETAIL_FILE);
                   next;
           #NEXT FILE DOESN'T EXISTS, SO SLEEP AND TRY AGAIN
           }