diff --git a/cart.ts b/cart.ts
index 504bae1..34cd14a 100644
--- a/cart.ts
+++ b/cart.ts
@@ -1,14 +1,20 @@
+import { path } from "./deps.ts";
 import initialCart from "./initialCart.json" assert { type: "json" };
 import { Sheet } from "./sheet.ts";
 
 let cart = initialCart as Array<Sheet>;
 
+const virtualPathToRealPath = (virtualFname: string) => {
+	const realPath = path.join(".", "carts", ...virtualFname.split("/"));
+	return realPath;
+}
+
 export const saveCart = async (fname: string) => {
-	await Deno.writeTextFile("./carts/"+fname+".fx", JSON.stringify(getCart()));
+	await Deno.writeTextFile(virtualPathToRealPath(fname+".fx"), JSON.stringify(getCart()));
 }
 
 export const loadCart = async (fname: string) => {
-	cart = JSON.parse(await Deno.readTextFile("./carts/"+fname+".fx"));
+	cart = JSON.parse(await Deno.readTextFile(virtualPathToRealPath(fname+".fx")));
 }
 
 export const getCart = () => {
diff --git a/deno.lock b/deno.lock
index c03d1e8..9befd3e 100644
--- a/deno.lock
+++ b/deno.lock
@@ -1,6 +1,17 @@
 {
   "version": "2",
   "remote": {
+    "https://deno.land/std@0.186.0/_util/asserts.ts": "178dfc49a464aee693a7e285567b3d0b555dc805ff490505a8aae34f9cfb1462",
+    "https://deno.land/std@0.186.0/_util/os.ts": "d932f56d41e4f6a6093d56044e29ce637f8dcc43c5a90af43504a889cf1775e3",
+    "https://deno.land/std@0.186.0/path/_constants.ts": "e49961f6f4f48039c0dfed3c3f93e963ca3d92791c9d478ac5b43183413136e0",
+    "https://deno.land/std@0.186.0/path/_interface.ts": "6471159dfbbc357e03882c2266d21ef9afdb1e4aa771b0545e90db58a0ba314b",
+    "https://deno.land/std@0.186.0/path/_util.ts": "d7abb1e0dea065f427b89156e28cdeb32b045870acdf865833ba808a73b576d0",
+    "https://deno.land/std@0.186.0/path/common.ts": "ee7505ab01fd22de3963b64e46cff31f40de34f9f8de1fff6a1bd2fe79380000",
+    "https://deno.land/std@0.186.0/path/glob.ts": "d479e0a695621c94d3fd7fe7abd4f9499caf32a8de13f25073451c6ef420a4e1",
+    "https://deno.land/std@0.186.0/path/mod.ts": "ee161baec5ded6510ee1d1fb6a75a0f5e4b41f3f3301c92c716ecbdf7dae910d",
+    "https://deno.land/std@0.186.0/path/posix.ts": "8b7c67ac338714b30c816079303d0285dd24af6b284f7ad63da5b27372a2c94d",
+    "https://deno.land/std@0.186.0/path/separator.ts": "0fb679739d0d1d7bf45b68dacfb4ec7563597a902edbaf3c59b50d5bcadd93b1",
+    "https://deno.land/std@0.186.0/path/win32.ts": "d186344e5583bcbf8b18af416d13d82b35a317116e6460a5a3953508c3de5bba",
     "https://deno.land/std@0.97.0/_util/assert.ts": "2f868145a042a11d5ad0a3c748dcf580add8a0dbc0e876eaa0026303a5488f58",
     "https://deno.land/std@0.97.0/_util/os.ts": "e282950a0eaa96760c0cf11e7463e66babd15ec9157d4c9ed49cc0925686f6a7",
     "https://deno.land/std@0.97.0/encoding/base64.ts": "eecae390f1f1d1cae6f6c6d732ede5276bf4b9cd29b1d281678c054dc5cc009e",
diff --git a/deps.ts b/deps.ts
index 33bc20d..a3ce13f 100644
--- a/deps.ts
+++ b/deps.ts
@@ -37,4 +37,7 @@ try {
 } catch (err) {
   console.log("If you are running this on linux, please make sure you have 'xsel' installed.");
   throw err;
-}
\ No newline at end of file
+}
+
+// path
+export * as path from "https://deno.land/std@0.186.0/path/mod.ts";