if ( $fcheck == $scheck )
        { $fline=2 }
      else
        { $fline=(($fcheck - $scheck) + 3) }
      if ( $lcheck == $echeck )
        { $lline=999999999 }
      else
        { $lline=(($lcheck - $scheck) + 3) }
    }
  elsif ( $linectr == 2 )
    { print OUTFILE "$_\n";    # $_ holds the line.
    }
  elsif ( linectr <= lline && linectr >= fline )
    { print OUTFILE "$_\n";
    }
}