diff --git a/package.json b/package.json
index 53428ea..55f3561 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,8 @@
     "changelog": "auto-changelog",
     "coverage:badge": "istanbul-badges-readme",
     "ci": "env && git fetch --tags && npm run lint && npm run build && npm run update:subs && npm run test && npm run changelog",
-    "publish:subs": "sh scripts/publish_all_subs.sh",
+    "copy:to-subs": "sh scripts/copy_to_all_subs.sh",
+    "publish:subs": "npm run copy:to-subs && sh scripts/publish_all_subs.sh",
     "publish:docs": "sh scripts/publish_docs.sh",
     "publish:all": "npm run ci && npm publish && npm run publish:subs && npm run publish:docs"
   },
diff --git a/scripts/copy_to_all_subs.sh b/scripts/copy_to_all_subs.sh
new file mode 100644
index 0000000..f8befe0
--- /dev/null
+++ b/scripts/copy_to_all_subs.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Enable extended globbing
+shopt -s extglob
+
+# target directory
+individuals_dir_default=$(jq -r .individualsDir ./scripts/config.json)
+
+# Source directory
+source_dir_default=$(jq -r .sourceDir ./scripts/config.json)
+
+# List of directories
+directories=(
+  "avl-tree-typed"
+
+)
+
+# Loop through each directory
+for dir in "${directories[@]}"; do
+  # Delete all files except index.ts
+  find "$individuals_dir_default"/"$dir"/src -type f ! -name 'index.ts' -delete
+
+  # Copy the files to the target directory, excluding index.ts
+  cp -R "$source_dir_default"/src/!(index.ts) "$individuals_dir_default"/"$dir"/src
+done
+
+echo "All packages copied."