static File saveTextFile_rawBytes(S fileName, S contents) ctex {

  CriticalAction action = beginCriticalAction("Saving file " + fileName + " (" + l(contents) + " chars)");

  try {

    File file = new File(fileName);

    mkdirsForFile(file);

    String tempFileName = fileName + "_temp";

    File tempFile = new File(tempFileName);

    if (contents != null) {

      if (tempFile.exists()) try {

        S saveName = tempFileName + ".saved." + now();

        copyFile(tempFile, new File(saveName));

      } catch (Throwable e) { printStackTrace(e); }

      FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath());

      OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "ISO-8859-1");

      PrintWriter printWriter = new PrintWriter(outputStreamWriter);

      printWriter.print(contents);

      printWriter.close();

    }

    if (file.exists() && !file.delete())

      throw new IOException("Can't delete " + fileName);

    if (contents != null)

      if (!tempFile.renameTo(file))

        throw new IOException("Can't rename " + tempFile + " to " + file);

    ifndef LeanMode

    vmBus_send('wroteFile, file);

    endifndef

    ret file;

  } finally {

    action.done();

  }

}

static File saveTextFile_rawBytes(File fileName, S contents) {

  saveTextFile_rawBytes(fileName.getPath(), contents);

  ret fileName;

}