mkthumb

#!/usr/bin/bash

dir="~/media/photos/wallpaper/32:9/"

# readarray -t files <<< "$(/usr/bin/ls ${dir}*.{jpg,jpeg,png})"
readarray -t files <<< "$(ls ~/media/photos/wallpaper/32:9/*.{jpg,jpeg,png})"

for file in "${files[@]}"; do
    name="$(echo "$(basename "$file")" | rev | cut -d'.' -f2- | rev)"
    echo "$(basename "$file") -> $(basename "$name.jpg.thumb")"
    magick "$file" -monitor -quality 75 -resize 352x99 "$(dirname "$file")/.$name.jpg"
    mv -v ".$name.jpg" "$name.jpg.thumb"
    echo
done