cdm/src/main/java/ucar/unidata/io/RandomAccessFile.java
public final void writeBytes(String s) throws IOException {
    int len = s.length();
    for (int i = 0; i < len; i++) {
      write((byte) s.charAt(i));
    }
  }
public final void writeBytes(String s) throws IOException {
    int len = s.length();
    for (int i = 0; i < len; i++) {
      write((byte) s.charAt(i));
    }
  }
Writes the string to the file as a sequence of bytes. Each
character in the string is written out, in sequence, by discarding
its high eight bits.

@param s a string of bytes to be written.
@throws IOException if an I/O error occurs.