work on dispatch command

flake.nix

@@ -0,0 +1,20 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+  outputs = {
+    self,
+    nixpkgs,
+  } @ inputs: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages."${system}";
+  in {
+    packages."${system}".default = pkgs.writeShellApplication {
+      name = "hello_world";
+
+      runtimeInputs = with pkgs; [sane-backends brscan5 ghostscript];
+
+      text = builtins.readFile ./scanbuddy.bash;
+    };
+  };
+}