#!/usr/bin/env nix-shell
#! nix-shell -i bash --pure
#! nix-shell -p imagemagick

for picture in original/*png; do
    magick $picture -resize 800x800 -quality 80 $(basename $picture .png)-sm.jpg
    magick $picture -quality 90 $(basename $picture .png).jpg
done

for picture in original/*jpg; do
    magick $picture -resize 800x800 -quality 80 $(basename $picture .jpg)-sm.jpg
    cp $picture $(basename $picture)
done