diff --git a/Tag.cpp b/Tag.cpp
index 035c372..239b86f 100644
--- a/Tag.cpp
+++ b/Tag.cpp
@@ -33,7 +33,7 @@ namespace jet {
 		 if(!finished) {
 		    coreutils::ZString keywordName = in.getTokenInclude("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_");
 		    if(in.ifNext("=\"")) {
-		       keywords[keywordName] = in.getTokenExclude("\"");
+		       variables[keywordName] = in.getTokenExclude("\"");
 		    }
 		    if(!in.ifNext("\"")) {}
 		 }
@@ -186,8 +186,8 @@ namespace jet {
       }
    }
    
-   bool Tag::keywordExists(coreutils::ZString keyword) {
-      return keywords.find(keyword) != keywords.end();
+   bool Tag::variableDefined(coreutils::ZString keyword) {
+      return variables.find(keyword) != variables.end();
    }
    
    bool Tag::ifNested(coreutils::ZString &in) {
diff --git a/Tag.h b/Tag.h
index 719ee74..d0d54d6 100644
--- a/Tag.h
+++ b/Tag.h
@@ -18,21 +18,21 @@ namespace jet {
 
     protected:
       bool hasContainer;
-      std::map<coreutils::ZString, coreutils::ZString> keywords;
-      bool keywordExists(coreutils::ZString keyword);
+      std::map<coreutils::ZString, coreutils::ZString> variables;
+      bool variableDefined(coreutils::ZString variable);
       void parseContainer(coreutils::ZString &in);
       void copyContainer(coreutils::ZString &in, coreutils::MString &out);
 
-    private:
-      Global &global;
-      coreutils::MString &parent;
-      coreutils::MString out;
-
       bool evaluate = true;
       bool filterBlankLines = false;
       bool trim = false;
       bool cleanWhitespace = false;
 
+    private:
+      Global &global;
+      coreutils::MString &parent;
+      coreutils::MString out;
+
       int skipBlankLine(coreutils::ZString in);
 
       void scanContainer(coreutils::ZString &in);
diff --git a/__for.cpp b/__for.cpp
index 9f08809..81d114e 100644
--- a/__for.cpp
+++ b/__for.cpp
@@ -5,9 +5,9 @@
 namespace jet {
 
    __for::__for(coreutils::ZString &in, coreutils::MString &out, Global &global) : Tag(in, out, global) {
-   	if(!keywordExists(coreutils::ZString("begin")))
+   	if(!variableDefined(coreutils::ZString("begin")))
 	     throw coreutils::Exception("begin keyword must be specified.");
-	   if(!keywordExists(coreutils::ZString("end")))
+	   if(!variableDefined(coreutils::ZString("end")))
 	     throw coreutils::Exception("end keyword must be specified.");
 
       for(;;) {
diff --git a/__if.cpp b/__if.cpp
index 0407d03..403f3dc 100644
--- a/__if.cpp
+++ b/__if.cpp
@@ -9,22 +9,22 @@ namespace jet {
 
       coreutils::MString result;
 
-      if(keywordExists("value1")) {
-	 if(keywordExists("expr"))
+      if(variableDefined("value1")) {
+	 if(variableDefined("expr"))
 	   throw coreutils::Exception("Either value1 or expr can be specified but not both.");
-	 if(keywordExists("value2")) {
-	    if(keywordExists("type")) {
+	 if(variableDefined("value2")) {
+	    if(variableDefined("type")) {
 
 	    } else
 	      throw coreutils::Exception("type expected if value1 and value2 specified.");
 	 } else
 	   throw coreutils::Exception("value2 required if value1 specified.");
-      } else if(keywordExists("expr")) {
-   	   if(keywordExists("value2"))
+      } else if(variableDefined("expr")) {
+   	   if(variableDefined("value2"))
 	        throw coreutils::Exception("value2 should not be specified with expr.");
-	      if(keywordExists("type"))
+	      if(variableDefined("type"))
 	        throw coreutils::Exception("type should not be specified with expr.");
-	      result = Expression(keywords["expr"]);
+	      result = Expression(variables["expr"]);
          std::cout << "result1: " << result << std::endl;
       }
       std::cout << "result2: " << result << std::endl;
diff --git a/__read.cpp b/__read.cpp
index cacadc5..099aa23 100644
--- a/__read.cpp
+++ b/__read.cpp
@@ -4,7 +4,7 @@
 namespace jet {
    
    __read::__read(coreutils::ZString &in, coreutils::MString &out, Global &global) : Tag(in, out, global) {
-      if(!keywordExists(coreutils::ZString("file")))
+      if(!variableDefined(coreutils::ZString("file")))
 	throw coreutils::Exception("file keyword must be specified.");
       
       if(hasContainer)
diff --git a/__set.cpp b/__set.cpp
index c85ab11..48d1090 100644
--- a/__set.cpp
+++ b/__set.cpp
@@ -5,14 +5,20 @@
 namespace jet {
    
    __set::__set(coreutils::ZString &in, coreutils::MString &out, Global &global) : Tag(in, out, global) {      
-      std::cout << "name: [" << keywords["name"] << "]" << std::endl;
-      std::cout << "value: [" << keywords["value"] << "]" << std::endl;
+      std::cout << "name: [" << variables["name"] << "]" << std::endl;
+      std::cout << "value: [" << variables["value"] << "]" << std::endl;
       std::cout << "container: [" << container << "]" << std::endl;
-      std::cout << "scope: [" << keywords["scope"] << "]" << std::endl;
-      std::cout << "var1: [" << global.variables.size() << "]" << std::endl;
-      global.variables[keywords["name"]] = container;
-      std::cout << "var2: [" << global.variables.size() << "]" << std::endl;
-      std::cout << "varx: [" << global.variables["varname"] << "]" << std::endl;
+      std::cout << "scope: [" << variables["scope"] << "]" << std::endl;
+
+      if(variables["scope"] == "local") 
+	variables[variables["name"]] = variables["value"];
+      if(variables["scope"] == "global") 
+	global.variables[variables["name"]] = container;
+      
+      std::cout << "localvar: [" << variables.size() << "]" << std::endl;
+      std::cout << "localvarx: [" << variables[variables["name"]] << "]" << std::endl;
+      std::cout << "globalvar: [" << global.variables.size() << "]" << std::endl;
+      std::cout << "globalvarx: [" << global.variables[variables["name"]] << "]" << std::endl;
    }
       
 }
diff --git a/__while.cpp b/__while.cpp
index 5f21393..022bca4 100644
--- a/__while.cpp
+++ b/__while.cpp
@@ -6,20 +6,20 @@ namespace jet {
    
    __while::__while(coreutils::ZString &in, coreutils::MString &out, Global &global) : Tag(in, out, global) {
 
-      if(keywordExists(coreutils::ZString("value1"))) {	   
-	 if(keywordExists(coreutils::ZString("expr")))
+      if(variableDefined(coreutils::ZString("value1"))) {	   
+	 if(variableDefined(coreutils::ZString("expr")))
 	   throw coreutils::Exception("Either value1 or expr can be specified but not both.");
-	 if(keywordExists(coreutils::ZString("value2"))) {
-	    if(keywordExists(coreutils::ZString("type"))) {
+	 if(variableDefined(coreutils::ZString("value2"))) {
+	    if(variableDefined(coreutils::ZString("type"))) {
 	       // process here
 	    } else
 	      throw coreutils::Exception("type expected if value1 and value2 specified.");
 	 } else
 	   throw coreutils::Exception("value2 required if value1 specified.");
-      } else if(keywordExists(coreutils::ZString("expr"))) {
-	 if(keywordExists(coreutils::ZString("value2")))
+      } else if(variableDefined(coreutils::ZString("expr"))) {
+	 if(variableDefined(coreutils::ZString("value2")))
 	   throw coreutils::Exception("value2 should not be specified with expr.");
-	 if(keywordExists(coreutils::ZString("type")))
+	 if(variableDefined(coreutils::ZString("type")))
 	   throw coreutils::Exception("type should not be specified with expr.");
 	 // process here
       }
diff --git a/testjet b/testjet
index e474196..fa2a619 100755
Binary files a/testjet and b/testjet differ