2012-02-12 49 views
2

我想下载推文(不搜索特定问题)。我想你的建议是:Twitter,错误:401访问'/1/statuses/sample.json'。原因:未授权

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) 

只有我压抑“userpwd =“用户名:密码:”我得到的结果,这是一个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内部完全停留,并需要使用Windows。如何解决这个问题有什么建议?提前

感谢

回答

2

尝试使用指定的用户名和密码说法:

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) 

更换usernamepasswordgetURL一个有效的Twitter用户名和密码。

+0

谢谢。我用我的Twitter用户名和密码替换了用户名和密码,但不幸的是我没有解决问题。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 错误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">我上面发布的代码完全适合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">谢谢。我意识到我的是RCurl_1.91-1.1 bitops_1.0-4.1。它应该是一个问题吗?或者可能是我试图'访问'file ='twitter_stream_capture.txt'中的数据? 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