Set up .ini file for auth keys.

auth.ini

@@ -0,0 +1,5 @@
+[twitter]
+consumer_key = <your Consumer Key>
+access_token = <your Acces Token>
+consumer_secret = <your Consumer Secret>
+access_secret = <your Access Token Secret>

bin/gfk-publicstuff.R

@@ -7,6 +7,7 @@ library(jsonlite)
 library(rjson)
 library(dplyr)
 library(twitteR)
+library(ini)
 
 # Grab city view for Grand Forks
 gfk <- rjson::fromJSON(file="https://www.publicstuff.com/api/2.1/city_view?space_id=15174")
@@ -43,11 +44,14 @@ gfk_requests <- bind_rows(gfk_requests)
 #### Tweeting
 # https://rcrastinate.blogspot.com/2018/05/send-tweets-from-r-very-short.html
 
-# Need to create an external file with keys so they don't end up on GitHub
-setup_twitter_oauth(consumer_key = "<your Consumer Key>",
-                    access_token = "<your Acces Token>",
-                    consumer_secret = "<your Consumer Secret>",
-                    access_secret = "<your Access Token Secret>")
+# Read authentication values from ini file
+# Don't commit real values to git!
+auth <- read.ini("auth.ini")
+
+setup_twitter_oauth(consumer_key = auth$twitter$consumer_key,
+                    access_token = auth$twitter$access_token,
+                    consumer_secret = auth$twitter$consumer_secret,
+                    access_secret = auth$twitter$access_secret)
 
 # After tweeting, write a small text file that has the last timestamp that was tweeted. Use that for grabbing future requests.