Created
September 6, 2012 16:36
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Parse tweets into csv trails
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require 'rubygems' | |
require 'time' | |
require 'yajl' | |
require 'yajl/json_gem' | |
require 'csv' | |
PARSER = Yajl::Parser.new | |
def add_point(s) | |
if s['geo'] | |
lat = s['geo']['coordinates'][0] | |
lon = s['geo']['coordinates'][1] | |
elsif s['coordinates'] | |
lat = s['coordinates']['coordinates'][1] | |
lon = s['coordinates']['coordinates'][0] | |
end | |
return unless lat && lon | |
ts = s['timestamp'] || Time.parse(s['created_at']).to_i | |
csv_tweet = [s['user']['screen_name'],ts,lat,lon].to_csv | |
puts csv_tweet | |
end | |
PARSER.on_parse_complete = method(:add_point) | |
Dir["data/2012*.json"].each do |file| | |
PARSER.parse(File.read(file)) | |
end |
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