## File: curlVersion.Rd

package info (click to toggle)
r-cran-rcurl 1.95-4.8-2
 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162 \name{curlVersion} \alias{curlVersion} \title{Information describing the Curl library} \description{ This function queries the Curl library to provide information about its characteristics when it was compiled. This tells the user about its capabilities and can be used to determine strategies. } \usage{ curlVersion(id = 0) } \arguments{ \item{id}{an integer value between 0 and 3 inclusive. The idea is that one specifies the identifier for the version of interest. In fact, all values seem to yield the same result. } } \value{ A list \item{age}{integer giving the number of this libcurl, 0 is FIRST, 1 is SECOND, 2 is THIRD} \item{version}{the version identifier as a string, e.g. \code{"7.12.0"}} \item{version_num}{the value as an integer} \item{host}{the machine on which the libcurl was configured/built.} \item{features}{a named integer vector of bits indicating what features of libcurl were configured and built into this version. These are features such as ipv6, ssl, libz, largefile, ntlm (Microsoft "authorization").} \item{ssl_version}{the string identifying the SSL version.} \item{ssl_version_num}{the number identifying the SSL version} \item{libz_version}{the string identifying the version of libz.} \item{protocols}{a character vector of the supported HTTP protocols, e.g. http, https, ftp, ldap, gopher, telnet} \item{ares}{name of the asynchronous DNS (domain name service) lookup library. This is often simply the empty string indicating it is not there. } \item{ares_num}{the number for the ares library} \item{libidn}{the name of the IDN (internationalized domain names) library being used. This field only appears in version 3 of libcurl. If you are using version 2 (e.g. curl-7.11.2), this will be \code{NA}. An empty string indicates that the field is present, but has no value. } See the man page for \code{curl_version_info} for a description of these fields. \code{features} in R is a named integer vector detailing the different features. } \references{Curl homepage \url{http://curl.haxx.se}} \author{Duncan Temple Lang } \seealso{ \code{curl_version_info} in the libcurl documentation. } \examples{ curlVersion() } \keyword{IO} \concept{reflectance}