.motd/waifus/rename-waifus.sh

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802 B
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#!/bin/bash
shopt -s nullglob # Prevent errors if no files match
# 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=1
for base in "${sorted_bases[@]}"; do
for res in 64 128 256; do
old_file="${base}.${res}.png"
new_file="waifu-${counter}.${res}.png"
if [[ -f "$old_file" ]]; then
mv "$old_file" "$new_file"
echo "Renamed: $old_file -> $new_file"
fi
done
((counter++))
done
echo "Renaming complete."