Get a list of scripts in a dir and allow them to order themselves using a "#require " line stating deps.

schedule.sh

BASHRC_D=~/.bashrc.d

schedule()
{
	(
		while [ $# -gt 0 ]; do
			local name="$1"
			(
				case "$name" in
					*.sh | .* | __* )
						# Skip
						;;
					*)
						if [ -f "$name" -a -r "$name" ] ; then
							sed '/^#require\s/!d; s/^#require\s//; s/\s\+/\n/g;' <"$name"
							echo "$name"
						fi
						;;
				esac
			) | awk -v name="$name" '{ print name " " $0 }'
			shift
		done
	) | tsort | tac
}

(cd "$BASHRC_D"; schedule *)