从get in R网站下载zip中的csv时出错
从get in R网站下载zip中的csv时出错
提问于 2014-09-28 16:12:13
我想使用download.file()从nse-india.com读取数据到R，如下所示。
url = 'http://www.nseindia.com/content/historical/EQUITIES/2014/SEP/cm24SEP2014bhav.csv.zip'
temp = tempfile()
download.file(url, destfile = temp,method = 'wget')它抛出以下错误：
SYSTEM_WGETRC = c:/progra~1/wget/etc/wgetrc
syswgetrc = C:\PROGRA~2\GnuWin32/etc/wgetrc
--2014-09-28 21:19:26-- http://www.nseindia.com/content/historical/EQUITIES/2014/SEP/cm24SEP2014bhav.csv.zip
Resolving www.nseindia.com... 202.83.22.200, 202.83.22.203
Connecting to www.nseindia.com|202.83.22.200|:80... connected.
HTTP request sent, awaiting response... 403 Forbidden
2014-09-28 21:19:26 ERROR 403: Forbidden.
Warning messages:
1: running command 'wget "http://www.nseindia.com/content/historical/EQUITIES/2014/SEP/cm24SEP2014bhav.csv.zip" -O "C:\Users\ITITHI~1\AppData\Local\Temp\Rtmp2fjADx\file1fb02375882"' had status 1
2: In download.file(url, destfile = temp, method = "wget") :
download had nonzero exit status无论如何，请让我知道来解决这个问题。
编辑:或者从R内部下载文件的任何其他方法都是很棒的。
回答 2
Stack Overflow用户
回答已采纳
发布于 2014-09-29 03:55:26
您需要设置一个类似浏览器的用户代理字符串，这样站点就会认为您是浏览器，而不是自动刮板/下载机器人：
library(httr) # >=v0.5
GET("http://www.nseindia.com/content/historical/EQUITIES/2014/SEP/cm24SEP2014bhav.csv.zip",
user_agent("Mozilla/5.0"), write_disk("cm24SEP2014bhav.csv.zip"))
## Response [http://www.nseindia.com/content/historical/EQUITIES/2014/SEP/cm24SEP2014bhav.csv.zip]
## Date: 2014-09-28 23:53
## Status: 200
## Content-type: application/zip
## Size: 58.2 kB
## <ON DISK> cm24SEP2014bhav.csv.zipStack Overflow用户
发布于 2014-09-28 17:09:27
你需要许可才能访问那个网站。下面是来自httr包的消息(在doc中)：
url = 'http://www.nseindia.com/content/historical/EQUITIES/2014/SEP/cm24SEP2014bhav.csv.zip'
doc <- content(GET(url))
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html>
<head><title>Access Denied</title></head>
<body>
<h1>Access Denied</h1>
You don't have permission to access "http://www.nseindia.com/content/historical/EQUITIES/2014/SEP/cm24SEP2014bhav.csv.zip" on this server.<p>
Reference #18.df24317.1411924047.3b4f02a1
</p>
</body>
</html>页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/26086868
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