Philips Hue control with cURL

hue-curl.sh

#!/bin/bash
#
# Simple script to change lights on Philips Hue using cURL
#
# Source: http://hkionline.net/posts/using-phillips-hue-from-the-command-line
#
# Author: Wido den Hollander <wido@denhollander.io>
#

# YES! Philips Hue also talks IPv6! :-)
IP="[fe80::217:88ff:fea2:7b66%wlp4s0]"
USERNAME="XXXyyyZZZ"

LIGHTS=$(curl -s -H "Accept: application/json" http://${IP}/api/${USERNAME}/lights|jq -r 'keys[]')

change_light_state() {
    curl -s -H "Accept: application/json" -X PUT --data "{\"on\": $2}" http://${IP}/api/${USERNAME}/lights/${1}/state
}

for ID in $(echo $LIGHTS); do
    change_light_state $ID false
done

for ID in $(echo $LIGHTS); do
   change_light_state $ID true
done

sleep 5

for ID in $(echo $LIGHTS); do
    change_light_state $ID false
done