diff --git a/modules/scripts/onchange.nix b/modules/scripts/onchange.nix
new file mode 100644
index 00000000..c18b8b01
--- /dev/null
+++ b/modules/scripts/onchange.nix
@@ -0,0 +1,23 @@
+{
+  flake.modules.homeManager.base =
+    { pkgs, ... }:
+    {
+      home.packages = [
+        (pkgs.writeShellApplication {
+          name = "onchange";
+
+          runtimeInputs = with pkgs; [
+            coreutils
+            entr
+          ];
+
+          text = ''
+            PATTERN="$1"
+            shift 1
+
+            find . -path "$PATTERN" -type f | entr -cs "$@"
+          '';
+        })
+      ];
+    };
+}