#!/bin/sh -e
# Suspend screen until enter is pressed or interrupted
$(which timer || sleep) "${1:-3}"
dpms() {
  if test $XDG_SESSION_TYPE = wayland
  then swaymsg "output * dpms $*"
  else xset dpms force "$@"
  fi
}
dpms off
trap 'dpms on' INT
test $# -gt 1 && shift && save "$@"
sleep 3
read _
dpms on