各位 大神,请解释一下脚本都是什么意思?
RC=0
unset result
result=`uptime | grep days | awk '{print $3}'`
if [ ! -z "${result}" ] ; then
if [ ${result} -gt 8000 ] ; then
echo "System is up over 8000 days; this is a sign of a corrupt /etc/utmp file."
RC=1
fi
fi
if [ ${RC} -eq 0 ] ; then
result=`who -r`
if [ -z "${result}" ] ; then
echo "Unable to determine run-level with the who -r command."
echo "This is a sign of a corrupt /etc/utmp file."
RC=1
fi
fi
return ${RC}
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