shopt -s expand_aliases

join () { local IFS="$delim"; echo "$*"; } # usage: delim=... join elems...

	for (( i=$#; i >= 1; i-- )); do printf '%q ' "${!i}"; done

}

: "${verbosity:=$verbose}" "${verbosity:=0}"

echo_cmd () { echo "$PS4$*" >&2; }

usage () { echo "Usage: $1" >&2; (exit 2); }

top_dir="$(dirname "$0")" # outermost script

run_args_cmd () # runs the command line args command

	done

}

make ()

{

	echo_func "$@"

	)|echo_stdin) "$@"

}

alias zip="echo_run zip"

alias unzip="echo_run unzip"

alias zip_newer="zip -u"