diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba8fbc2..c06b514 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,8 @@ set(CMAKE_CXX_STANDARD 20)
 include_directories(include)
 
 add_executable(bfuck
-        src/main.cpp
+    src/main.cpp
+        src/lex.cpp
 )
 
 # target_link_libraries(lasm Boost::program_options)
diff --git a/src/main.cpp b/src/main.cpp
index 8df2028..befb7aa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,15 @@
+#include "lex.hpp"
+
 #include <iostream>
 
-int main() {
-    std::cout << "Hello, World!" << std::endl;
+int main(int argc, char **argv) {
+    if (argc != 2) {
+        std::cout << "Usage: bfuck <IN-PATH>" << std::endl;
+    }
+    std::cout << "Running " << argv[1] << "...\n" << std::endl;
+
+    std::string tokens;
+    lex_brainfuck_file(argv[1], tokens);
+
+    return 0;
 }
\ No newline at end of file