Download unsplash.com collections

insplash.sh

#!/bin/bash
# USAGE:
# Download insplash.sh
# chmod +x instplash.sh
# ./insplash.sh COLLECTION_URL
# ./insplash.sh https://unsplash.com/collections/279087/weather-and-sky
PATTERN='http:\/\/unsplash.com\/photos\/[[:alnum:]]*\/download'
COUNT=1
curl -s $1 | grep -o $PATTERN | while read -r LINK; do
    aria2c -x16 -o "image.${COUNT}.jpeg" $LINK
    (( COUNT++ ))
done