error() {
  (>&2 printf '\E[31mERROR:\E[0m %s\n' "$@" )
}

require_root() {
  if [[ $EUID -ne 0 ]]; then
    error "This script should only be run using sudo or as the root user"
    exit 1
  fi
}

function setacl() {
    if [[ $# -lt 4 ]]; then
        error "setacl missing arguments, called with '$1' ${@:2}"
	printf "%s\n" "Usage:" "\tsetacl <Options> <Ownership> <Permissions> <Path> [<Additional Paths>...]"
	return 1
    fi
    local Options=${1}
    local Ownership=${2}
    local Permissions=${3}

    [[ -n "${SZ_DEBUG}" ]] \
        && echo "chown $Options $Ownership \"${@:4}\""
    chown $Options $Ownership "${@:4}"
    [[ -n "${SZ_DEBUG}" ]] \
        && echo "chmod $Options $Permissions \"${@:4}\""
    chmod $Options $Permissions "${@:4}"
}