#!/bin/bash

input="$1"
function grab() { curl "$input" --silent ; }
function viewer() { xargs curl --silent | imv - ; }

if [[ $input =~ xkcd.com ]]
then
	grab | awk '/hotlinking/ {print $NF}'| viewer
elif [[ $input =~ dilbert.com ]]
then
	grab | awk -F\" '/data-image/ {print $2}' | viewer
else
	echo "Unsupported Website."
fi