Script to check best Twitch server available

twitch_latency.sh

#!/usr/bin/env bash
# $ Script to check best Twitch server available.
# Needs hping / w3m 

SERVERS="http://bashtech.net/twitch/ingest.php"

function _best_twlt
{
  for SERVER in $(w3m -dump ${SERVERS}|grep RTMP|grep -oE 'live-.*.twitch.tv'); do
    LATENCY=$(sudo -i hping -q -c 2 -S -p 80 ${SERVER} 2>&1 | grep -oE '^round-trip.*' | awk '{print $4}' | cut -d '/' -f 2)
    SRVLT="${LATENCY}:${SERVER}\n${SRVLT}"
  done

  BESTLT=$(echo -e ${SRVLT}|sort|awk NF|head -n 1)

  BESTSV=${BESTLT##*:}
  BESTLT=${BESTLT%%:*}
}

_best_twlt

echo "The best server of Twitch right now is ${BESTSV} with ${BESTLT} ms"