1#!/bin/sh -e
2#
3#    entropy: system entropy
4#
5#    Copyright (C) 2011-2014 Dustin Kirkland <kirkland@byobu.org>
6#
7#    Authors: Dustin Kirkland <kirkland@byobu.org>
8#
9#    This program is free software: you can redistribute it and/or modify
10#    it under the terms of the GNU General Public License as published by
11#    the Free Software Foundation, version 3 of the License.
12#
13#    This program is distributed in the hope that it will be useful,
14#    but WITHOUT ANY WARRANTY; without even the implied warranty of
15#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16#    GNU General Public License for more details.
17#
18#    You should have received a copy of the GNU General Public License
19#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
20
21__entropy_detail() {
22	cat /proc/sys/kernel/random/entropy_avail 2>/dev/null
23}
24
25__entropy() {
26	if [ -r /proc/sys/kernel/random/entropy_avail ]; then
27		local e=$(cat /proc/sys/kernel/random/entropy_avail)
28		[ -n "$e" ] || return
29		color K Y; printf "e%s" "$e"; color --
30	fi
31}
32
33# vi: syntax=sh ts=4 noexpandtab
34