#!/bin/sh

LEVELS=3 ;		[ -z "$1" ] || LEVELS=$1

DIRS=10 ;		[ -z "$2" ] || DIRS=$2

FILES=10 ;		[ -z "$2" ] || FILES=$3

NUMBER_OF_ACLS=50 ;	[ -z "$3" ] || NUMBER_OF_ACLS=$4

function random_dir() {

	mkdir -p $1

	#setfacl -s "u::rwx,u:$[($RANDOM % $NUMBER_OF_ACLS)+1000]:rwx,g::rx,o:-" $1

}

function random_file() {

	touch $1

	#setfacl -s "u::rw,u:$[($RANDOM % $NUMBER_OF_ACLS)+1000]:rw,g::r,o:-" $1

}

function create () {

	local LEVEL=$1

	if [ $LEVEL -eq 0 ]; then

		local I=0

		while [ $I -lt $FILES ]; do

			random_file file$I

			I=$[$I+1]

		done

		echo -n "."

	else

		local I=0

		while [ $I -lt $DIRS ]; do

			random_dir dir$I

			cd dir$I

			create $[$LEVEL-1]

			cd ..

			I=$[$I+1]

		done

	fi

	return

}

mkdir -p tree

cd tree

create $LEVELS

cd ..

echo