Get Twitch channel metrics via DecAPI

twitch-metrics.sh

#!/usr/bin/env bash

TWITCH_CHANNEL="wimpysworld"
METRICS_PATH="${HOME}/Studio/OBS/twitch-metrics"
mkdir -p "${METRICS_PATH}"

for ENDPOINT in $(wget -q https://decapi.net/twitch/ -O - | jq -r '[.endpoints[] | select(contains("CHANNEL")) | select(contains("USER") | not)] | @tsv'); do
  ENDPOINT_NAME=$(echo "${ENDPOINT}" | cut -d'/' -f5)
  ENDPOINT_URL="${ENDPOINT//\{CHANNEL\}/${TWITCH_CHANNEL}}"
  # Get the 5 most recent followers and skip deprecated endpoints.
  if [ "${ENDPOINT_NAME}" == "followers" ]; then
    ENDPOINT_URL+="?count=5"
  elif [[ "${ENDPOINT_NAME}" == *hosts* ]]; then
    echo " - Deprecated; skipping it."
    continue
  fi

  echo " - Getting ${ENDPOINT_URL}"
  DATA=$(wget -q "${ENDPOINT_URL}" -O-)
  # If the channel is offline, report zero viewers
  if [ "${ENDPOINT_NAME}" == "viewercount" ] && [[ "${DATA}" == *offline* ]]; then
    DATA="0"
  fi
  echo -n "${DATA}" > "${METRICS_PATH}/${ENDPOINT_NAME}.txt"
done