#!/bin/bash
TAG=$1
PAGES=$(lynx -dump -listonly -nonumbers "https://derpibooru.org/tags/$TAG" | grep 'page=' | tail -n 1 | grep -o '[[:digit:]]*')
for PAGE in $(seq "$PAGES"); do
    echo "Parsing page $PAGE of $PAGES"
    URLS=$(lynx -dump -listonly -nonumbers "https://derpibooru.org/tags/$TAG/?page=$PAGE" | grep '#comments' | sort -u)
    for URL in $URLS; do
        echo "Parsing $URL"
        IMGURL=$(lynx -dump -listonly -nonumbers "$URL" | grep download | tail -n 1)
        echo "Getting $IMGURL"
        wget -c "$IMGURL"
        sleep 1
    done
done