cdup.sh

function cdup {
	local dir=$PWD
	local target=${*:-.git}
	until [ -e "$dir/$target" -o "$dir" = "/" ]; do
		dir="$(dirname "$dir")"
	done
	test -e "$dir/$target" && cd "$dir"
}

function catup {
	local target=$*
	(cdup "$target" && cat "$target")
}

function lsup {
	local target=$*
	(cdup "$target" && ls -l "$target")
}