diff -r 996f30d43a88 -r 5eda634ea15b main.lua
--- a/main.lua	Fri Dec 11 17:18:40 2015 +0000
+++ b/main.lua	Fri Dec 11 17:19:30 2015 +0000
@@ -1,5 +1,40 @@
 #!/usr/bin/env luajit
 
+local property_rules = {};
+
+local function apply_object_properties(class, name, object)
+	for _, rule in ipairs(property_rules) do
+		if (not(rule.class) or tostring(rule.class):lower() == tostring(class):lower())
+		and (not(rule.name) or tostring(rule.name):lower() == tostring(name):lower()) then
+			for prop_key, prop_value in pairs(rule.properties) do
+				object[prop_key] = prop_value;
+			end
+		end
+	end
+end
+
+function process_options()
+	local function get_value()
+		return (assert(table.remove(arg, 1), "unexpected end of command-line options"));
+	end
+	while arg[1] and arg[1]:sub(1,1) == "-" do
+		local opt = arg[1];
+		if opt == "--" then
+			table.remove(arg, 1);
+			break;
+		end
+		table.remove(arg, 1);
+		if opt == "--port" or opt == "-p" then
+			local port = assert(tonumber(get_value()), "port number must be a number");
+			table.insert(property_rules, { class = "client", properties = { connect_port = port } });
+		elseif opt == "--host" or opt == "-h" then
+			local host = get_value();
+			table.insert(property_rules, { class = "client", properties = { connect_host = host } });
+		end
+	end
+	assert(#arg > 0, "No test script provided");
+	assert(#arg < 2, "Too many parameters");
+end
 
 function read_script()
 	io.input(arg[1]);
@@ -18,6 +53,7 @@
 		local o = require("scansion.objects."..object.type);
 		object.handler = o;
 		object.script = script;
+		apply_object_properties(object.type, object.name, object);
 		o._validate(object);
 		c = c + 1;
 	end
@@ -41,6 +77,8 @@
 end
 
 function main()
+	process_options();
+
 	local ok, err = true;
 
 	local script = initialize_script(parse_script(read_script()));