sleeplast

#
# sleeplast - display recent Mac sleep actions via pmset, grep, and tail
#
# This command is used to make sure that your Mac is going to sleep as 
# You expect it to: you can monitor that it's sleeping as expected to 
# save you disk and battery life as well as energy if mains-connected.
#
# params: number of latest sleep events to display (default 2)
#
#!/bin/sh
if [ -z "$1" ] ;
then
  num=4
else
  num=$1
fi
# echo 'num='$num
pmset -g log|grep -e " Sleep  " -e " Wake  " | tail -n $num