Fix for shellcode defaults

Author: mxcl

README.md

@@ -140,13 +140,10 @@ command not found: node
 >
 > ```sh
 > $ cd my-project
-> $ eval "$(pkgx dev .)"
+> $ eval "$(pkgx dev)"
 > +deno^2
 > $ deno --version
 > deno 2.1.1
->
-> $ dev off
-> # ^^ or close your terminal
 > ```
 >
 > The devenv will only exist for the duration of your shell session.

app.ts

@@ -83,7 +83,7 @@ if (parsedArgs.help) {
       break;
 
     case undefined:
-      {
+      if (Deno.stdout.isTerminal()) {
         const cwd = Path.cwd();
         const { pkgs } = await sniff(cwd);
         if (
@@ -103,6 +103,9 @@ if (parsedArgs.help) {
         } else {
           console.log("%cno keyfiles found", "color: red");
         }
+      } else {
+        const cwd = Path.cwd();
+        await dump(cwd, { dryrun, quiet });
       }
       break;