#!/bin/sh -e
#
#    mem_used: grab the current memory usage
#    Copyright (C) 2008 Canonical Ltd.
#
#    Authors: Dustin Kirkland <kirkland@canonical.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 3 of the License.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

PKG="byobu"
color 2>/dev/null || color() { true; }

if [ "$1" = "--detail" ]; then
	cat /proc/meminfo
	exit 0
fi

f=$(free | awk '/buffers\/cache:/ {printf "%.0f", 100*$3/($3 + $4)}')
printf "$(color b g W)%s$(color -)$(color g W)%%$(color -) " "$f"