#!/bin/sh

case $(hostname -s) in
	mother|po-rbo)
		free | sed -n '2p' | awk '{printf ("﬙ %2.2fG/%2.2fG\n", ($2 / (1000 ^ 2)) - ($7 / (1000 ^ 2)), ($2 / (1000 ^ 2)))}'
		;;
	mars)
		sysctl -n hw.physmem \
			hw.pagesize \
			vm.stats.vm.v_inactive_count \
			vm.stats.vm.v_free_count \
			vm.stats.vm.v_cache_count | xargs | awk '{printf ("﬙ %2.2fG/%2.2fG\n", ($1 / (1024 ^ 3)) - (($3 + $4 + $5) * $2 / (1024 ^ 3)), ($1 / (1024 ^ 3)))}'
					;;
esac