#!/bin/sh

# dmesg-log.sh - Log kernel messages to a file
#
# Copyright (C) 2005 by Henrik Brix Andersen <brix@gentoo.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; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA


if [[ -z "$1" ]]; then
    echo "Usage: $0 LOGFILE [DELAY]"
    exit 1
fi

LOGFILE=$1

if [[ -e ${LOGFILE} ]]; then
    echo "${LOGFILE} already exists"
    exit 1
fi

if [[ -z "$2" ]]; then
    DELAY=1
else
    DELAY=$2
fi

while (true); do
    date | tee -a ${LOGFILE}
    dmesg -c | tee -a ${LOGFILE}
    sleep ${DELAY}
done