Fixed for tag.

__for.cpp

@@ -5,15 +5,29 @@
 namespace jet {
 
    __for::__for(coreutils::ZString &in, coreutils::MString &out, Global &global) : Tag(in, out, global) {
-   	if(!variableDefined(coreutils::ZString("begin")))
-	     throw coreutils::Exception("begin keyword must be specified.");
-	   if(!variableDefined(coreutils::ZString("end")))
-	     throw coreutils::Exception("end keyword must be specified.");
-
-      for(;;) {
-   	   parseContainer(container);
+      double counter = 0.0f;
+      double end = 0.0f;
+      double step = 0.0f;
+      bool nameDefined = variableDefined("name");
+      if(variableDefined(coreutils::ZString("start"))) {	   
+	 counter = variables["start"].asDouble();
       }
-
+      if(variableDefined(coreutils::ZString("end"))) {	   
+	 end = variables["end"].asDouble();
+      }
+      if(variableDefined(coreutils::ZString("step"))) {	   
+	 step = variables["step"].asDouble();
+      }      
+      for(double ix = counter; ix <= end; ix += step) {
+	 if(nameDefined) 
+	   variables[variables["name"]] = ix;	 
+	 processContainer(container);
+	 container.reset();
+      }
+      
+//	 for (auto i = variables.begin(); i != variables.end(); i++)
+//	   std::cout << i->first << "=[" << i->second << "]" << std::endl;} 
+         
    }
-
+   
 }