AOL client preferences/settings file (.ind)

def is_ind(file_path: str) -> bool:
    """Check if file is a valid IND by magic bytes."""
    signature = bytes([0x41, 0x4F, 0x4C, 0x49, 0x44, 0x58])
    with open(file_path, "rb") as f:
        return f.read(6) == signature

function isIND(buffer: Buffer): boolean {
  const signature = Buffer.from([0x41, 0x4F, 0x4C, 0x49, 0x44, 0x58]);
  return buffer.subarray(0, 6).equals(signature);
}

func IsIND(data []byte) bool {
    signature := []byte{0x41, 0x4F, 0x4C, 0x49, 0x44, 0x58}
    if len(data) < 6 {
        return false
    }
    return bytes.Equal(data[:6], signature)
}