IEnumerable<Action> Run(){
    // foreach(var action in RunNcFile("NC/circle.ptp")) yield return action;
    // foreach(var action in RunNcFile("NC/drill_slot.ptp")) yield return action;
    // foreach(var action in RunNcFile("NC/side.ptp")) yield return action;
    // foreach(var action in RunNcFile("NC/slide.ptp")) yield return action;
    
    // WriteStepFile("Cache/[NcName].step.csv");
    //RegisterStepVariable("TestData","TestData",null,"G");
    //ReadCsv("Cache/side.demo.csv");
    
    yield return null;
}
return Run();