Method tail

src/java/org/apache/nutch/util/Bytes.java:1148–1155

@param a array @param length amount of bytes to snarf @return Last length bytes from a

(final byte[] a, final int length)

   * @return Last <code>length</code> bytes from <code>a</code>
   */
  public static byte[] tail(final byte[] a, final int length) {
    if (a.length < length) {
      return null;
    }
    byte[] result = new byte[length];
    System.arraycopy(a, a.length - length, result, 0, length);
    return result;
  }

  /**
   * @param a