use command arg instead of env vars

README.md

@@ -4,7 +4,8 @@ It downloads clyps!
 
 ## Usage
 
-- Set `CLYP_TOKEN` to your Clyp `Authorization: Bearer` session token.
-- `node clyp-downloader.cjs`
+- Retrieve your Clyp access token from your browser. This should be under
+  Developer Tools > Storage > Local Storage > `accessToken`.
+- `node clyp-downloader.cjs <accessToken>`
 - ???
 - Profit

clyp-downloader.cjs

@@ -8,13 +8,13 @@
 const process = require("process");
 const fs = require("fs");
 
-const TOKEN = process.env["CLYP_TOKEN"];
-
-if (!TOKEN) {
-    console.error("No CLYP_TOKEN provided!");
-    process.exit(1);
+if (process.argv.length != 3) {
+    console.log("Usage: node clyp-downloader.cjs <CLYP_TOKEN>");
+    process.exit(0);
 }
 
+const TOKEN = process.argv[2];
+
 class ClypUpload {
     /**
      * @param {string} name