Twitter API Question posted in
The official Twitter API documentation can be found here.

Executing cURL command in R – Twitter API

I am using the Twitter REST API to retrieve data in JSON format. Twitter’s developer page makes it easy by providing a command that can be pasted directly into the terminal and executed. The following command works in the terminal. 

 curl --get 'https://api.twitter.com/1.1/statuses/user_timeline.json' --data 'count=3200&screen_name=BernieSanders' --header 'Authorization: OAuth oauth_consumer_key="####", oauth_nonce="####", oauth_signature="####", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1467719924", oauth_token="####", oauth_version="1.0"' --verbose

I am trying to get the JSON data into R, and would like to execute this same command in the R console. I have tried curlconverter using the exact same code, get an error that there is an unexpected symbol. However, the code is exactly the same. Is there a more suitable package for executing this code? 

curlExample <- "curl --get 'https://api.twitter.com/1.1/statuses/user_timeline.json' --data 'count=3200&screen_name=BernieSanders' --header 'Authorization: OAuth oauth_consumer_key="####", oauth_nonce="####", oauth_signature="####", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1467719924", oauth_token="####", oauth_version="1.0"' --verbose"
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2

Answers


  1. 0

    I think you are going to need to escape those quotation marks. Try this instead:

    curlExample <- "curl --get 'https://api.twitter.com/1.1/statuses/user_timeline.json' --data 'count=3200&screen_name=BernieSanders' --header 'Authorization: OAuth oauth_consumer_key="####", oauth_nonce="####", oauth_signature="####", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1467719924", oauth_token="####", oauth_version="1.0"' --verbose"

    That the quotes were not being escaped properly was actually evident in your question, because the Stack Overflow markup rendered the curlExample string in multiple colors.

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  2. 0

    I believe https://cran.r-project.org/web/packages/twitteR/twitteR.pdf is the way to do this in R.

    But specifically in your case, you have unescaped ” in your string.

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