#!/bin/bash

e=$(date +'%s000 + (%N / 1000000)')
t=$(($e))

if [ -z $SESSION_MANAGER ]; then
  echo "Start: $t" >> /tmp/login-timestamps.txt
else
  t1=$(tail -1 /tmp/login-timestamps.txt | awk -F': ' '{print $2}')
  echo "End: $t $(($t - $t1))" >> /tmp/login-timestamps.txt
  echo >> /tmp/login-timestamps.txt
  echo >> /tmp/login-timestamps.txt
  # reboot
fi