uprecord.sh

#!/bin/bash

if [ -f ~/.uprecord ]
then
	uprecord=$(<~/.uprecord)
	uprecord=${uprecord%%.*}
	#uprecordseconds=$(( uprecord%60 ))
	uprecordminutes=$(( uprecord/60%60 ))
	uprecordhours=$(( uprecord/60/60%24 ))
	uprecorddays=$(( uprecord/60/60/24 ))
else
	uprecordminutes=0
	uprecordhours=0
	uprecorddays=0
fi

uptime=$(</proc/uptime)
uptime=${uptime%%.*}
#seconds=$(( uptime%60 ))
upminutes=$(( uptime/60%60 ))
uphours=$(( uptime/60/60%24 ))
updays=$(( uptime/60/60/24 ))

echo "current uptime:"
echo "${updays}d ${uphours}h ${upminutes}m"

if [[ ( $updays -gt $uprecorddays ) || ( $updays -eq $uprecorddays && $uphours -gt $uprecordhours ) || ( $updays -eq $uprecorddays && $uphours -eq $uprecordhours && $upminutes -gt $uprecordminutes ) ]]
then
	echo "new uptime record:"
	echo "${updays}d ${uphours}h ${upminutes}m"
	cat /proc/uptime > ~/.uprecord
else
	echo "old record stands:"
	echo "${uprecorddays}d ${uprecordhours}h ${uprecordminutes}m"
fi