Downloads all files with a specified extension from a website

wget-all.sh

#!/usr/bin/bash
#
# wget-all: gets all files from a specified file extension
#           on a remote host

function usage() {
	echo 'Usage:'
	echo '      $ wget-all.sh <remote-host> <filename-extension>'
	echo
	echo 'Example:'
	echo '      $ wget-all.sh alexdantas.net/tmp png'
}

if [[ -z "$@" ]]
then
	usage
	exit -1
fi


if [[ -z "$2" ]]
then
	echo 'No file extension specified'
	usage
	exit -2
fi


# Thanks, http://stackoverflow.com/a/5045370
CURRENT_DIR="-nH --cut-dirs=1"

wget "$1" -r -l1 --no-parent $CURRENT_DIR -A."$2"

exit 0

Great minds think alike https://github.com/thomhastings/os-scripts/blob/master/wgetall.sh