String filename = "C:/data/unicode/helloNorm.nc";
NetcdfFileWriteable ncfile = NetcdfFileWriteable.createNew(filename);
ucar.nc2.Dimension dim = ncfile.addDimension(helloGreek, 20);
ncfile.addVariable(helloGreek, DataType.CHAR, helloGreek);
ncfile.addVariableAttribute(helloGreek, "units", helloGreek);
ncfile.create();
ArrayChar.D1 data = new ArrayChar.D1(dim.getLength());
data.setString(helloGreek);
ncfile.write(helloGreek, data);
ncfile.close();