diff --git a/resource/CMakeLists.txt b/resource/CMakeLists.txt
new file mode 100644
index 0000000..c3177ee
--- /dev/null
+++ b/resource/CMakeLists.txt
@@ -0,0 +1,8 @@
+project(SparrowResource)
+cmake_minimum_required(VERSION 2.8)
+
+# choose source file
+set(EXEC_SRC_LIST main.cpp)
+
+include(../template.cmake)
+
diff --git a/resource/main.cpp b/resource/main.cpp
index fb22ad0..6b40f74 100644
--- a/resource/main.cpp
+++ b/resource/main.cpp
@@ -5,27 +5,50 @@ using namespace std;
 
 #define NB_VAL_PER_LINE 256
 
+#define FILE_BEGIN "#include <string>\n\
+#include <unordered_map>\n\
+\n\
+namespace Resource {\n\
+std::unordered_map<std::string, const char*> *resourceFilesData;\n"
+
+#define FILE_MID "\nvoid initResourceData()\n\
+{\n\
+	resourceFilesData = new std::unordered_map<std::string, const char*>();\n"
+
+#define FILE_END "\n\
+}\n\
+\n\
+const char* get(const std::string &fileName)\n\
+{\n\
+	if(resourceFilesData->count(fileName) > 0)\n\
+		return (*resourceFilesData)[fileName];\n\
+	else\n\
+		return NULL;\n\
+}\n\
+}\n"
+
+unsigned int n = 0;
+
 bool addFile(const string &inFile, FILE *out)
 {
-    static unsigned int n = 0;
     FILE *in = fopen(inFile.c_str(), "r");
     if(in == NULL)
     {
         fprintf(stderr, "can't open \"%s\" for readingn", inFile.c_str());
         return false;
     }
-    fprintf(out, "\n\tunsigned char data%d[] = {\n", n);
-    unsigned char ptr[NB_VAL_PER_LINE];
+    fprintf(out, "\nconst char data%d[] = {\n", n);
+    char ptr[NB_VAL_PER_LINE];
     size_t nbRead;
     do
     {
-        nbRead = fread(ptr, sizeof(unsigned char), NB_VAL_PER_LINE, in);
+        nbRead = fread(ptr, sizeof(char), NB_VAL_PER_LINE, in);
         for(unsigned int i=0; i<nbRead; ++i)
-            fprintf(out, i ? ",0x%x" : "\t\t0x%x", ptr[i]);
-        fprintf(out, "\n\t");
+            fprintf(out, i ? ",0x%x" : "\t0x%x", ptr[i]);
+        fprintf(out, "\n");
     }
     while(nbRead == NB_VAL_PER_LINE);
-    fprintf(out, "};\n\tresourceFilesData[std::string(\"%s\")] = data%d;\n", inFile.c_str(), n);
+	fprintf(out, "};\n");
     ++n;
     fclose(in);
     return true;
@@ -46,7 +69,7 @@ int main(int argc, char *argv[])
         return EXIT_FAILURE;
     }
     
-    fprintf(out, "#include <string>\n#include <unordered_map>\n\nnamespace Resource {\nstd::unordered_map<std::string, unsigned char*> *resourceFilesData;\n\nvoid initResourceData()\n{\n\tresourceFilesData = new std::unordered_map<std::string, unsigned char*>();\n");
+    fprintf(out, FILE_BEGIN);
     for(int i=2; i<argc; ++i)
     {
         if(!addFile(argv[i], out))
@@ -57,7 +80,10 @@ int main(int argc, char *argv[])
         else
             printf("successfully added \"%s\" to \"%s\".\n", argv[i], argv[1]);
     }
-    fprintf(out, "\n}\n\nunsigned char* get(std::string fileName)\n{\n\tif(resourceFilesData->count(fileName) > 0)\n\t\treturn (*resourceFilesData)[fileName];\n\telse\n\t\treturn NULL;\n}\n}\n");
+	fprintf(out, FILE_MID);
+	for(int i=0; i<n; ++i)
+		fprintf(out, "\t(*resourceFilesData)[\"%s\"] = data%d;\n", argv[2+i], i);
+    fprintf(out, FILE_END);
     fclose(out);
     printf("successfully created resource file \"%s\".\n", argv[1]);
     return EXIT_SUCCESS;
diff --git a/resource/resource.h b/resource/resource.h
index 02834ae..3308ed0 100644
--- a/resource/resource.h
+++ b/resource/resource.h
@@ -6,7 +6,7 @@
 
 namespace Resource {
     extern void initResourceData();
-    extern unsigned char *get();
+    extern const char *get(const std::string&);
 }
 
 
diff --git a/resource/test/README b/resource/test/README
new file mode 100644
index 0000000..6fadcaf
--- /dev/null
+++ b/resource/test/README
@@ -0,0 +1,7 @@
+g++ -std=c++11 ../main.cpp -o SparrowResource.exe
+
+SparrowResource res.cpp plop.txt
+
+g++ -std=c++11 test.cpp res.cpp -o test.exe
+
+test
\ No newline at end of file
diff --git a/resource/test/plop.txt b/resource/test/plop.txt
new file mode 100644
index 0000000..1c8a3a1
--- /dev/null
+++ b/resource/test/plop.txt
@@ -0,0 +1 @@
+Hello World !
\ No newline at end of file
diff --git a/resource/test/test.cpp b/resource/test/test.cpp
new file mode 100644
index 0000000..bef77bc
--- /dev/null
+++ b/resource/test/test.cpp
@@ -0,0 +1,15 @@
+#include <iostream>
+#include "resource.h"
+
+using namespace std;
+
+int main()
+{
+	cout << "Resource test" << endl;
+	Resource::initResourceData();
+    const char *str = Resource::get("plop.txt");
+	if(str != NULL)
+		cout << str << endl;
+	else
+		cout << "nope" << endl;
+}
\ No newline at end of file
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
deleted file mode 100644
index ab2fc83..0000000
--- a/test/CMakeLists.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-
-
-
-include(test.cmake)
-
-cmake_minimum_required(VERSION 2.8)
-
-include(../template.cmake)
-
diff --git a/test/test.cmake b/test/test.cmake
deleted file mode 100644
index e69de29..0000000