Dilbert Crawl

dilbert.sh

#!/bin/bash
start=$1
case "$2" in
 "") end=$1 ;;
 *) end=$2 ;;
esac

start=$(date -d $start '+%Y-%m-%d')
end=$(date -d $end '+%Y-%m-%d')
[ -d Dilberts ] || mkdir Dilberts
cd Dilberts

while [[ $(date -d $start +%s) -le $(date -d $end +%s) ]]
do
	img=$(curl -s https://dilbert.com/strip/$start | grep "img-responsive img-comic")
	img=${img#*src=\"}
	img=${img%\"*}
	img=https:$img
	echo "$start: $img"
	wget -qct=2 --retry-connrefused -O $start $img
	start=$(date -d "$start + 1 day" '+%Y-%m-%d')
done

cd ..