display-ctl

#!/bin/bash
# Turn the display on or off using DPMS
# Usage: display-ctl on|off

usage() {
    echo "Usage: $0 on|off"
    exit 1
}

cmd="$1"
[[ -z "$cmd" ]] && usage

case "$cmd" in
    on|On|ON)
        xset -display :0 dpms force on
        ;;
    off|Off|OFF)
        xset -display :0 dpms force off
        ;;
    *)
        usage
esac