get_input.sh

#!/usr/bin/env bash

cookie="<get your cookie>"

curl 'https://adventofcode.com/'${1}'/day/'${2}'/input' -H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8' -H 'Accept-Language: en-US,en;q=0.5' -H 'Accept-Encoding: gzip, deflate, br' -H 'DNT: 1' -H 'Connection: keep-alive' -H 'Cookie: session='${cookie} -H 'Upgrade-Insecure-Requests: 1' -H 'Sec-Fetch-Dest: document' -H 'Sec-Fetch-Mode: navigate' -H 'Sec-Fetch-Site: cross-site' -H 'Sec-GPC: 1' -H 'TE: trailers' -s | gunzip