⚡ cleaner solution to initial save file generation

docs/building.md

@@ -82,6 +82,7 @@ lastly type in
 ```
 cmake <flags of your choice or none> ..
 make -j<threads>
+./bank
 ```
 
 ## Certs

main.cpp

@@ -29,7 +29,22 @@ void SaveSig(int s)
 int main(int argc, char **argv)
 {
     {
-
+        if (argc == 1)
+        {
+            std::ofstream users_save(users_location, std::ios::out | std::ios::binary);
+            if (users_save.is_open())
+            {
+                uint8_t temp[16]{16, 0, 0, 0, 4};
+                users_save.write((char *)temp, 16);
+                users_save.close();
+                std::cout << "User save file generated\nUsage: sudo ./bank <admin account> <saving frequency in minutes>\n";
+            }
+            else
+            {
+                std::cerr << "File cannot be created\n";
+            }
+            return 0;
+        }
         if (argc != 3)
         {
             std::cerr << "Usage: sudo ./bank <admin account> <saving frequency in minutes>\n";

src/bank.cpp

@@ -341,11 +341,7 @@ void Bank::Load()
     std::ifstream users_load(users_location, std::ios::out | std::ios::binary);
     if (!users_load.is_open())
     {
-        std::ofstream users_save(users_location, std::ios::out | std::ios::binary);
-        uint8_t temp[16]{16, 0, 0, 0, 4};
-        users_save.write((char *)temp, 16);
-        users_save.close();
-        throw std::invalid_argument("Cannot find users.dat, file has been created\n");
+        throw std::invalid_argument("Cannot find save file, to generate a new one run ./bank\n");
     }
 
     uint32_t buffer_size;