Sofu.Sofu.Map file = SofuReader.LoadFile("file.sofu");
try {
    foreach (KeyValuePair<string,Sofu.SofuObject> entry in file) {
        Sofu.Sofu.Map mymap = entry.Value.AsMap();
        mymap.Write(entry.Key+".sofu"); //Splits one .sofu into Sub Trees.
    }
}
catch (SofuNotMapException e) {
    Console.Out.WriteLine("text was not a map");
}