with import <nixpkgs> {}; let
  let isDir
  let pDirs = builtins.readDir ./.;
  script1 = writeShellScriptBin "script1" ''
    echo "Hello from script1"
  '';

  script2 = writeShellScriptBin "script2" ''
    echo "Hello from script2"
  '';
in
  stdenv.mkDerivation {
    name = "all-scripts";
    buildInputs = [
      script1
      script2
    ];

    # Or use buildEnv to create a combined package
    buildCommand = ''
      mkdir -p $out
    '';
  }