diff --git a/insert-date-into-json.bash b/insert-date-into-json.bash
new file mode 100644
index 0000000..0aa0d0a
--- /dev/null
+++ b/insert-date-into-json.bash
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+for f in *.info.json; do
+  [ -f "$f" ] || continue
+
+  # Extract title without extension
+  title="${f%.info.json}"
+  # Remove trailing ID if present
+  title="${title% \[*\]}"
+
+  # Extract the date at the beginning of the title (YYYYMMDD)
+  if [[ "$title" =~ ^([0-9]{8}) ]]; then
+    upload_date="${BASH_REMATCH[1]}"
+  else
+    echo "No date found in $f, skipping."
+    continue
+  fi
+
+  # Update JSON upload_date
+  if command -v jq >/dev/null 2>&1; then
+    tmpfile=$(mktemp)
+    jq --arg date "$upload_date" '.upload_date = $date' "$f" > "$tmpfile" && mv "$tmpfile" "$f"
+    echo "Updated upload_date in $f: $upload_date"
+  else
+    # Simple sed fallback (only for simple JSON)
+    sed -i "s/\"upload_date\": *\"\"/\"upload_date\": \"$upload_date\"/" "$f"
+    echo "Updated upload_date in $f: $upload_date (using sed)"
+  fi
+done