gistfile1.txt

ruby """
def photo_gps_list
  photos_dir = File.absolute_path('assets/photos/')
  photos_url = '/assets/photos/'
  photos = Dir.entries(photos_dir).select { |filename| filename if filename.end_with?('jpg') }
  result = photos.map do |photo|
    photo_exif = EXIFR::JPEG.new(photos_dir + '/' + photo)
    puts "#{photo}, #{photo_exif.exif.date_time_original}, #{photo_exif.gps.longitude}, #{photo_exif.gps.latitude}" unless photo_exif.gps.nil?
  end
end

photo_gps_list
""" 

irb> photo_gps_list > b
sort -k1 < b > d
ipfs ls QmdWeEuqA6gHACFGYd8yfiwyX8QGrQ7GzxRDdQPxf3VZxA > a
sort -k3  < a > c
cat d |sed 's/\|/ /'| sed 's/,//' |awk '{print $1}' > files_with_gps
grep -f files_with_gps c > ipfs_files_with_gps>
paste ipfs_files_with_gps d > graffiti_list