#!/bin/bash
#Desc: Images downloader
#Filename: img_downloader.sh

if [ $# -ne 3 ];
then
	echo "Usage: $0 URL -d DIRECTORY"
	exit -1
fi

for i in {1..4}
do
	case $1 in
	-d) shift; directory=$1; shift ;;
	 *) url=${url:-$1}; shift;;  
esac
done

mkdir -p $directory;

baseurl=$(echo $url | egrep -o "https?://[a-z.]+")

curl -s $url | egrep -o "<img src=[^>]*>" | sed 's/<img src=\"\([^"]*\).*/\1/g' > /tmp/$$.list


sed -i "s|^/|$baseurl/|" /tmp/$$.list

cd $directory;

while read filename;
do
	curl -s -O "$filename"

done < /tmp/$$.list