public static String l(long v, int width) {
    return pad(Long.toString(v), width, true);
  }
public static String l(long v, int width) {
    return pad(Long.toString(v), width, true);
  }
public static String l ( long v , int width ) { return pad ( Long . toString ( v ) , width , true ) ; }
Format a long value.

@param v     : value
@param width pad to this width
@return formatted string
Format a long value .