toggle sleep mode for mac os ventura on M2 macbook, especially with unplugged power, monitors attached, and closed lid (closed diplay mode or clamshell).

run_sleep_mx

#!/usr/bin/env bash

## Enable/Disable sleep on closed display

## strict mode on
set -euo pipefail

## can be one of status|on|off
cmd="${1:-"status"}"

if [[ "${cmd}" != "status" ]] && [[ "${cmd}" != "on" ]] && [[ "${cmd}" != "off" ]]; then
	echo "ERROR: Invalid first positional argument: ${cmd}. It should be one of: status,on,off" >&2
	exit 1
fi

## bash functions
_get_sleep_state() {
	sleep_state="$(pmset -g | grep -E "SleepDisabled" | awk -F"\t" '{print $3}')"
	if [[ "${sleep_state}" == 0 ]]; then
		echo -e "SleepDisabled is set to 0 or default. Display will sleep on closing lid.\n\nRun ${0##*/} on to toggle to a non-default.\n"
	elif [[ "${sleep_state}" == 1 ]]; then
		echo -e "WARN: SleepDisabled is set to non-default 1.\nDisplay will NOT sleep on closing lid and can\ndrain battery to zero without any warning.\n\nRun ${0##*/} off to toggle to a default state.\n" >&2
	else
		echo -e "ERROR: Invalid sleep state reported for SleepDisabled row below.\n" >&2
		pmset -g
		exit 1
	fi
}

export -f _get_sleep_state

if [[ "${cmd}" == "status" ]]; then
	_get_sleep_state
	exit 0
fi

sleep_state="$(pmset -g | grep -E "SleepDisabled" | awk -F"\t" '{print $3}')"

if [[ "${cmd}" == "on" ]] && [[ "${sleep_state}" == 0 ]]; then
	_get_sleep_state
	echo "Disabling default sleep mode. Require sudo."
	sudo pmset -a disablesleep 1
	_get_sleep_state
elif [[ "${cmd}" == "off" ]] && [[ "${sleep_state}" == 1 ]]; then
	_get_sleep_state
	echo "Enabling default sleep mode. Require sudo."
	sudo pmset -a disablesleep 0
	_get_sleep_state
else
	_get_sleep_state
	echo -e "sleep mode is already what you've intended it to be.\nNo further action needed." >&2
fi

## end ##