detect operating system

2pick/pick.lua

@@ -26,7 +26,12 @@ function Auxiliary.SplitData(inputstr)
 	return t
 end
 function Auxiliary.LoadDB(p,pool)
-	local file=io.popen("echo \"select * from datas;\" | sqlite3 "..pool)
+	local file=nil
+	if HOSTED_ON_WINDOWS then
+		file=io.popen("bash echo \"select * from datas;\" | sqlite3 "..pool)
+	else
+		file=io.popen("echo \"select * from datas;\" | sqlite3 "..pool)
+	end
 	for line in file:lines() do
 		local data=Auxiliary.SplitData(line)
 		local code=data[1]

ocgcore/interpreter.cpp

@@ -668,6 +668,11 @@ interpreter::interpreter(duel* pd): coroutines(256) {
 	lua_setglobal(lua_state, "HINT_SOUND");
 	lua_pushinteger(lua_state, HINT_MUSIC_OGG);
 	lua_setglobal(lua_state, "HINT_MUSIC_OGG");
+	//detect operating system
+#ifdef _WIN32
+	lua_pushboolean(lua_state, 1);
+	lua_setglobal(lua_state, "_WIN32");
+#endif
 	//load init.lua by MLD
 	load_script((char*) "./expansions/script/init.lua");
 	//2pick rule