Hashtag photo collector

hashtag-collector.sh

#!/bin/bash

urldecode() { : "${*//+/ }"; echo -e "${_//%/\\x}"; }
json=$(mktemp)
hashtag="firstdashwallet"
regex="X[a-zA-Z0-9]{33}"

twurl "/1.1/search/tweets.json?q=%23$hashtag+filter:images&result_type=recent&count=100&tweet_mode=extended" > ${json}

while true; do
  count=`cat ${json} | jq ".statuses | length"`
  (( "$count" )) || break
  echo "Found $count more tweets"
  cat ${json} | jq -r ".statuses[] | (.full_text | match(\"$regex\").string) + \" \" + .entities.media[]?.media_url" >> addresses.txt
  cat ${json} | jq -r ".statuses[] | if (.full_text | test(\"$regex\")) then .entities.media[]?.media_url else empty end" | wget -nc -q --show-progress -i -
  nexturl=`cat ${json} | jq -r ".search_metadata.next_results"`
  nexturl=`urldecode $nexturl`
  twurl "/1.1/search/tweets.json$nexturl&tweet_mode=extended" > ${json}
done

rm ${json}

You will have to set up twurl and install jq first, but afterwards, this script will download all the photos matching a certain hashtag and a certain regular expression. It saves the photos with wget to the local folder.