#!/bin/sh -e # # entropy: system entropy # # Copyright (C) 2011-2014 Dustin Kirkland <kirkland@byobu.org> # # Authors: Dustin Kirkland <kirkland@byobu.org> # # 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/>. __entropy_detail() { cat /proc/sys/kernel/random/entropy_avail 2>/dev/null } __entropy() { if [ -r /proc/sys/kernel/random/entropy_avail ]; then local e=$(cat /proc/sys/kernel/random/entropy_avail) [ -n "$e" ] || return color K Y; printf "e%s" "$e"; color -- fi } # vi: syntax=sh ts=4 noexpandtab