#!/bin/bash # Copyright 1999-2005 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo/src/livecd-tools/spind,v 1.5 2005/03/01 18:13:51 wolf31o2 Exp $ CDSIZE=$(($(df -P | grep cdrom | head -n 1 | awk '{print $2}') - 256)) [ -z "${CDSIZE}" ] && echo '>>> Unknown CD size...' && exit 1 echo ">>> CD size: $((${CDSIZE} + 256)) K" while true do dd if=/dev/cdrom of=/dev/null bs=1K count=1 skip=$((${RANDOM} * ${CDSIZE} / 32768)) 2>/dev/null sleep 30 done