shopt -s globstar
wdir=$PWD

: ${TMPDIR:=/var/tmp}
DIR=$TMPDIR/globstar-$$
mkdir -p $DIR
cd $DIR || {
	echo "$DIR: cannot cd" >&2
	exit 1
}
mkdir -p foo/{a,b} bar/{c,d,foo/{e,f}} baz/{g,h}


echo **/foo*

echo **/foo*/

echo **/foo*/*

cd $wdir
rm -rf $DIR