diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..3ac3248
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 4.2)
+
+# ============================
+# Project configuration
+# ============================
+project(
+    splain
+    VERSION 1.0
+    LANGUAGES CXX
+)
+
+# ============================
+# C++ standard
+# ============================
+set(CMAKE_CXX_STANDARD 26)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# ============================
+# Build type (optional default)
+# ============================
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
+endif()
+
+# ============================
+# Sources
+# ============================
+add_executable(${PROJECT_NAME}
+    src/main.cpp
+)
+
+
+# ============================
+# Compiler warnings
+# ============================
+if(MSVC)
+    target_compile_options(${PROJECT_NAME} PRIVATE /W4 /permissive-)
+else()
+    target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic)
+endif()
diff --git a/src/main.cpp b/src/main.cpp
index d0863da..a3706a2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,6 @@
 #include <iostream>
+#include <string>
+#include <vector>
 /*
  * Make sure to do
  * splain() {
@@ -6,8 +8,8 @@
  * }
  * in the bash during installation
  */
-char** tokenisation(std::string arg) {
-    std::vector<std::string> tokenList;
+std::vector<std::string> /* char** */ tokenisation(std::string arg) {
+    std::vector<std::string> tokenList = {""};
     bool inQuotes = false;
     unsigned char activeToken = 0;
     for (int i = 0; i < arg.length(); i++) {
@@ -28,12 +30,17 @@ char** tokenisation(std::string arg) {
             tokenList[activeToken] += arg[i];
         }
     }
+    return tokenList;
 }
 int main(int argc, char *argv[]) {
     if (argc < 2) {
         std::cerr << "Usage: splain [OPTIONS] <INPUT>" << std::endl;
         return 1;
     }
-
+    std::vector<std::string> tokens = tokenisation(std::string(argv[1]));
+    //simple demo
+    for (int i = 0; i < tokens.size(); i++) {
+        std::cout << i + 1 << ". " << tokens[i] << "\n";
+    }
     return 0;
 }