img_downloader

#!/bin/bash
#Description: 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" --silent
done < /tmp/$$.list