2012-02-12 70 views
2

我想下載推文(不搜索特定問題)。我想你的建議是:Twitter,錯誤:401訪問'/1/statuses/sample.json'。原因:未授權

curlPerform(url = https://stream.twitter.com/1/statuses/sample.json -u USER:PASSWORD -o "somefile.txt" 

# set the directory 
setwd("C:\\") 

#### redirects output to a file 
WRITE_TO_FILE <- function(x) { 
    if (nchar(x) >0) { 
    write.table(x, file="Twitter Stream Capture.txt", append=T, row.names=F, col.names=F) 
    } 
} 

### windows users will need to get this certificate to authenticate 
download.file(url="http://curl.haxx.se/ca/cacert.pem", destfile="cacert.pem") 

### write the raw JSON data from the Twitter Firehouse to a text file 
getURL("https://stream.twitter.com/1/statuses/sample.json", 
     cainfo = "cacert.pem", 
     write=WRITE_TO_FILE) 

只有我壓抑「userpwd =「用戶名:密碼:」我得到的結果,這是一個包含以下信息的文本文件:

<html> 
<head> 
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/> 
<title>Error 401 Unauthorized</title> 
</head> 
<body> 
<h2>HTTP ERROR: 401</h2> 
<p>Problem accessing '/1/statuses/sample.json'. Reason: 
<pre> Unauthorized</pre> 

我期待R內部完全停留,並需要使用Windows。如何解決這個問題有什麼建議?提前

感謝

回答

2

嘗試使用指定的用戶名和密碼說法:

library(RCurl) 

WRITE_TO_FILE <- function(x) { 
    if (nchar(x) > 0) { 
    write.table(x, file='twitter_stream_capture.txt', append=TRUE, 
       row.names=FALSE, col.names=FALSE) 
    } 
} 

download.file(url='http://curl.haxx.se/ca/cacert.pem', destfile='cacert.pem') 

getURL('https://stream.twitter.com/1/statuses/sample.json', 
     userpwd='username:password', cainfo='cacert.pem', 
     write=WRITE_TO_FILE) 

更換usernamepasswordgetURL一個有效的Twitter用戶名和密碼。

+0

謝謝。我用我的Twitter用戶名和密碼替換了用戶名和密碼,但不幸的是我沒有解決問題。我得到了:function(x){if(nchar(x)> 0){write.table(x,file =「twitter_stream_capture.txt」,append = TRUE,row.names = FALSE,col.names = FALSE)read。表格(「Twitter Stream Capture.txt」)1 \ n \ n \ n 錯誤401 – <span class="text-secondary"> <small> <span>2012-02-15 16:22:57</span> </small> </span> </p> </div> </div> </div> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">我上面發佈的代碼完全適合RCurl_1.6-10.1。 – <span class="text-secondary"> <small> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/489704/">jbaums</a></span> <span>2012-02-15 17:14:53</span> </small> </span> </p> </div> </div> </div> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">謝謝。我意識到我的是RCurl_1.91-1.1 bitops_1.0-4.1。它應該是一個問題嗎?或者可能是我試圖'訪問'file ='twitter_stream_capture.txt'中的數據? 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