IIT

#!/bin/bash
if [ -n "$1" ]
	then cd "$1"

fi

ls -R | egrep ":$|*.jpg$|*.jpeg$" | \
sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/ /' -e 's/-/|/'

if [ 'ls -F -1 | grep "/" | wc -l' = 0 ]
	then echo " -> no sub-directories"

fi
ls -R -l |egrep '*.jpg$|*.jpeg$' | awk ' { x += $5 } END { print "total bytes:" x }'