Download official Ghibli wallpapers from their website without clicking things till the end of days

ghiblidl.sh

#!/usr/bin/env bash
# Download official Ghibli wallpapers for a given movie from their website.
# https://soranews24.com/2020/09/20/studio-ghibli-releases-400-images-from-eight-movies-free-to-download-online/
#
# Movie names:
# - marnie (When Marnie Was There)
# - kaguyahime (The Tale of The Princess Kaguya)
# - kazetachinu (The Wind Rises)
# - kokurikozaka (From Up on Poppy Hill)
# - karigurashi (Arrietty)
# - ponyo (Ponyo on the Cliff by the Sea)
# - ged (Tales from Earthsea)
# - chihiro (Spirited Away)
set -euo pipefail

readonly BASE_URL=http://www.ghibli.jp/works

function main {
    if test "$#" -ne 2; then
        >&2 echo "Usage: $0 MOVIE_NAME OUTPUT_DIR"
        exit 1
    fi

    local movie
    local output_dir

    movie="$1"
    output_dir="$2"

    if ! test -d "${output_dir}"; then
        >&2 echo "Error: Output directory does not exist: ${output_dir}"
        exit 1
    fi

    cd "${output_dir}"

    curl -s "${BASE_URL}/${movie}/" | \
        sed -ne 's@.*\(http://.*/gallery/'"${movie}"'[0-9][0-9][0-9].jpg\).*@\1@p' | \
        xargs -L1 wget
}

main "$@"