set zfs user quotas based on directory filename

#!/bin/bash

if [ $# -ne 2 ];
then
	echo "setquota size target_directory"
	exit;
fi

if [ ! -d "$2" ];
then
	echo $2" is not a directory";
	exit;
fi

size=$1;
target_dir=$2;
cd $target_dir;

for d in `ls -d */`
do
	cmd="zfs set userquota@"${d%?}"="$size" "tank/home
	echo $cmd;
	$cmd;
done