Ensure the video ID appears at the end of the filename inside square brackets.

move-[id]-to-end.bash

@@ -0,0 +1,28 @@
+#!/bin/bash
+for f in *; do
+  # Skip directories
+  [ -f "$f" ] || continue
+
+  # Extract the ID inside () or []
+  id=$(echo "$f" | sed -n 's/.*[([]\([^])]*\)[])].*/\1/p')
+
+  # If there's no ID, skip
+  [ -z "$id" ] && continue
+
+  # Remove the ID portion (and any leftover extra spaces)
+  base=$(echo "$f" | sed 's/[([][^])]*[])]//g' | sed 's/  / /g' | sed 's/ *$//')
+
+  # Separate name and extension
+  name="${base%.*}"
+  ext="${base##*.}"
+
+  # Rebuild new name (handle files with and without extensions)
+  if [ "$name" != "$ext" ]; then
+    newname="${name} [${id}].${ext}"
+  else
+    newname="${base} [${id}]"
+  fi
+
+  # Only rename if different
+  [ "$f" != "$newname" ] && mv -- "$f" "$newname"
+done