#!/bin/sh

if [ $# -gt 0 ] && [ $1 = "-r" ]; then 
    URL=https://c.xkcd.com/random/comic
else
    URL=https://xkcd.com/
fi
URL=$(curl -s -L $URL \
       | grep 'href= "https://imgs.xkcd.com/comics.*' \
       |  cut -d'>' -f2 \
       |  cut -d'<' -f1)
curl $URL --output /tmp/xkcd 2>/dev/null
chafa /tmp/xkcd