curlGetHeaders
Get HTTP or FTP Headers Using cURL
Description
Accesses a URL and returns the response header information.
Usage
curlGetHeaders(url, redirect = TRUE, verify = TRUE)
Arguments
  
| url | 
a character string.  Specifies the URL to request and from which to return the header
information.
 | 
  | redirect | 
a logical flag.  If TRUE (the default), server-provided redirections are followed.
If FALSE, redirections are followed.
 | 
  | verify | 
a logical flag.  If TRUE (the default), SSL connections are verified that the
server certificate is valid and refers to the same server as is specified
in url.
 | 
 
Value
returns a character vector that contains header information from
requesting 
url, with one header line per element.  Multiple requests
(that is, from a redirect) are separated by 
"\r\n".  The character vector
has the following attributes set:
| status | The status code of the final request. | 
 
Examples
curlGetHeaders("http://www.google.com")
curlGetHeaders("ftp://mirrors.kernel.org/gnu/")