Fetch your twitter timeline, one JSON blob per file

tw-get-home_timeline.sh

#!/bin/sh
# https://developer.twitter.com/en/docs/tweets/timelines/api-reference/get-statuses-home_timeline

since_id() {
  if [ -r './.since_id' ]; then
    cat './.since_id'
  else
    echo 100000
  fi
}

fetch_timeline() {
  raw_out=$(mktemp)
  url="/1.1/statuses/home_timeline.json?count=200&since_id=$(since_id)"
  echo "calling $url and sending output to $raw_out"
  twurl $url > $raw_out

  jq -r 'sort_by(.id) | .[].id' < $raw_out | while read id; do
    echo $id > './.since_id'
    tweetfile="tweet-${id}.json"

    if [ -e "$tweetfile" ]; then
      echo "Skipping already-stored tweet $id"
    else
      echo "Storing new tweet $id"
      jq ".[] | select(.id == ${id})" < $raw_out > $tweetfile
    fi
  done
}

fetch_timeline