diff --git a/2025/autorun.lua b/2025/autorun.lua
new file mode 100644
index 0000000..9369282
--- /dev/null
+++ b/2025/autorun.lua
@@ -0,0 +1,22 @@
+-- Use this to get the buffer ID where you want the output
+-- echo nvim_get_current_buf()
+vim.api.nvim_create_autocmd("BufWritePost", {
+	group = vim.api.nvim_create_augroup("AutoRunCode", { clear = true }),
+	pattern = "*.lua",
+	callback = function()
+		local bufnr = 21
+		vim.fn.jobstart({ "lua", "Day5/Day5.lua" }, {
+			stdout_buffered = true,
+			on_stdout = function(_, data)
+				if data then
+					vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, data)
+				end
+			end,
+			on_stderr = function(_, data)
+				if data then
+					vim.api.nvim_buf_set_lines(bufnr, -1, -1, false, data)
+				end
+			end,
+		})
+	end,
+})