Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
#!/bin/sh
# script to change the sleep mode of an OS X machine
usage () {
echo "supported sleep modes:"
echo " sleep"
echo " safesleep"
echo " hibernate"
echo " secure"
echo " insecure"
echo " current"
echo
echo "sleep (or old-style sleep) does not back up memory to disk. this is"
echo "useful if you are running out of hard drive space, but will eat"
echo "more battery and if the system runs out of power, the current state"
echo "is lost."
echo
echo "safesleep backs up memory to persistent storage, taking as much disk"
echo "space as the system has memory. this uses more disk space and more"
echo "battery, as memory is powered during sleep. If the battery is"
echo "exhausted, the system will hibernate."
echo
echo "hibernate writes memory to persistent storage, and powers down the"
echo "machine. the sleep image takes up as much space as the system has"
echo "memory. While sleeps/wakes are slower, battery life is much improved"
echo "as memory is not powered during sleep."
echo
echo "secure mode destroys the file vault key on standby, requiring the"
echo "password to be entered on wake. insecure mode retains the file "
echo "vault key on wake."
echo
echo "current displays the current settings."
exit 1
}
status () {
if [ "$?" = "0" ]; then
echo "state change to $1 successful"
else
echo "state change to $1 unsuccessful"
fi
}
if [ -z "$1" ]; then
usage
elif [ "$1" = "sleep" ]; then
sudo pmset hibernatemode 0
status $1
elif [ "$1" = "safesleep" ]; then
sudo pmset hibernatemode 3
status $1
elif [ "$1" = "hibernate" ]; then
sudo pmset hibernatemode 25
status $1
elif [ "$1" = "current" ]; then
hibernatemode="$(pmset -g | grep hibernatemode | awk '{ print $2 ; }')"
if [ "${hibernatemode}" = "0" ]; then
echo "sleep"
elif [ "${hibernatemode}" = "3" ]; then
echo "safesleep"
elif [ "${hibernatemode}" = "25" ]; then
echo "hibernate"
else
echo "unknown"
fi
elif [ "$1" = "secure" ]; then
sudo pmset destroyfvkeyonstandby 1
status $1
elif [ "$1" = "insecure" ]; then
sudo pmset destroyfvkeyonstandby 0
status $1
else
usage
fi
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.