diff --git a/site_ansto/instrument/util/gen_sct.py b/site_ansto/instrument/util/gen_sct.py
index f1d1f810..21ac0e7e 100755
--- a/site_ansto/instrument/util/gen_sct.py
+++ b/site_ansto/instrument/util/gen_sct.py
@@ -65,7 +65,7 @@ SourceLineList = []
 def PrintParseError(message):
     global PrintedFileName
     global lexer
-    global SourceData
+    global SourceLineList, SourceData
     curr_line = lexer.lineno
     curr_file = SourceLineList[curr_line - 1][0]
     if curr_file != PrintedFileName:
@@ -936,10 +936,10 @@ def dump_driver_groups(groups, indent):
             if Comment in groups[item]:
                 print indent + '  # %s = \'%s\'' % (Comment, groups[item][Comment])
         for subitem in sorted([x for x in groups[item] if not x in Deferred]):
-            print indent + ' ', subitem, '=', groups[item][subitem]
+            print indent + ' ', subitem, '= \'%s\'' % groups[item][subitem]
         if 'GroupProperty' in groups[item]:
             for subitem in groups[item]['GroupProperty']:
-                print indent + '  GroupProperty', subitem, '=', groups[item]['GroupProperty'][subitem]
+                print indent + '  GroupProperty', subitem, '= \'%s\'' % groups[item]['GroupProperty'][subitem]
         dump_driver_vars(groups[item]['Vars'], indent)
         dump_driver_groups(groups[item]['Groups'], indent + '  ')
         print indent + '}'
@@ -1819,9 +1819,36 @@ def load_file(source_file, depth_list):
     fd = open(SourceFile, 'r')
     LocalData = []
     line_no = 0
+    execing = False
+    exec_input = []
+    exec_line = 0
     for line in fd:
         line_no += 1
         line = line.rstrip('\n')
+        if execing:
+            match = re.match(r'\s*%end', line, flags=re.IGNORECASE)
+            if match:
+                #print "exec_input:"
+                #for temp_line in exec_input:
+                #    print "    " + temp_line
+                kw = {}
+                kw['exec_output'] = []
+                exec('\n'.join(exec_input)) in kw
+                #print "exec_output:"
+                for line in kw['exec_output']:
+                #    print "    " + line
+                    LocalData.append(line)
+                    SourceLineList.append((curr_file, exec_line))
+                exec_input = []
+                execing = False
+            else:
+                exec_input.append(line)
+            continue
+        match = re.match(r'\s*%exec', line, flags=re.IGNORECASE)
+        if match:
+            execing = True
+            exec_line = line_no
+            continue
         match = re.match(r'\s*%include\s+', line, flags=re.IGNORECASE)
         if match:
             new_source = re.sub(r'\s*%include\s+(.*)', r'\1', line, flags=re.IGNORECASE)