Download images from feed

Flickr feed example:

wget -O - http://api.flickr.com/services/feeds/photos_public.gne |grep 'rel="enclosure"' |perl -lpe 's/^.*href="([^"]*)".*$/\1/' |xargs wget -c

Using Perl for Regxp:

sudo aptitude update && sudo aptitude install perl-doc && man perlre