Fixing waifus and adding refined rename script

waifus/rename.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+shopt -s nullglob  # Prevent errors if no files match
+
+# Create a temporary directory
+temp_dir=$(mktemp -d)
+
+# Associative array to store unique image bases
+declare -A unique_images
+
+# Extract base names without resolution suffix
+for file in *.64.png; do
+    base="${file%.64.png}"
+    unique_images["$base"]=1
+done
+
+# Convert keys to sorted array
+unique_bases=("${!unique_images[@]}")
+IFS=$'\n' sorted_bases=($(sort <<<"${unique_bases[*]}"))
+unset IFS
+
+# Renaming process
+counter=0
+for base in "${sorted_bases[@]}"; do
+    for res in 64 128 256; do
+        old_file="${base}.${res}.png"
+        new_file="${temp_dir}/waifu-${counter}.${res}.png"
+
+        if [[ -f "$old_file" ]]; then
+            mv "$old_file" "$new_file"
+            echo "Copied: $old_file -> $new_file"
+        fi
+    done
+    ((counter++))
+done
+
+# Move the renamed files back
+echo "Moving new files back..."
+mv "${temp_dir}"/* .
+
+# Remove the temporary directory
+rmdir "${temp_dir}"
+
+echo "Renaming complete and safe!"
+