xkcd

xkcd_fetch.sh

#!/bin/sh
# USAGE: ./xkcd_fetch.sh [-r]
# Get random xkcd_commics
# Idea by https://github.com/Error916/xkcd-retriver
viewer=sxiv
dest_img=/tmp/xkcd_image.png

# when random is not mention it defaults to latest
json_url='https://xkcd.com/info.0.json' 

while getopts 'r' opt; do
	case $opt in
		r) 
			printf 'Getting comic count...\n' >&2
			num=$(curl -sL 'https://xkcd.com/info.0.json' | jq -r '.num')
			printf 'Fetching random comic...\n' >&2
			json_url="https://xkcd.com/$(shuf -i 1-$num -n 1)/info.0.json"
			;;
	esac
done

printf 'Downloading comic...\n' >&2
image=$(curl -sL "$json_url" | jq -r '.img')

curl -sL "$image" -o "$dest_img"
$viewer "$dest_img"
rm -v "$dest_img"