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RCurl (version 1.5-0)

General network (HTTP/FTP/...) client interface for R

Description

The package allows one to compose general HTTP requests and provides convenient functions to fetch URIs, get & post forms, etc. and process the results returned by the Web server. This provides a great deal of control over the HTTP/FTP/... connection and the form of the request while providing a higher-level interface than is available just using R socket connections. Additionally, the underlying implementation is robust and extensive, supporting FTP/FTPS/TFTP (uploads and downloads), SSL/HTTPS, telnet, dict, ldap, and also supports cookies, redirects, authentication, etc.

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Version

Install

install.packages('RCurl')

Monthly Downloads

152,348

Version

1.5-0

License

BSD

Maintainer

Duncan Lang

Last Published

November 22nd, 2010

Functions in RCurl (1.5-0)

Perform the HTTP query

CURLHandle-class

Class "CURLHandle" for synchronous HTTP requests

Create internal C-level data structure for collecting binary data

Start and stop the Curl library

getURIAsynchronous

Download multiple URIs concurrently, with inter-leaved downloads

mimeTypeExtensions

Mapping from extension to MIME type

Classes and coercion methods for enumerations in libcurl

findHTTPHeaderEncoding

Find the encoding of the HTTP response from the HTTP header

MultiCURLHandle-class

Class "MultiCURLHandle" for asynchronous, concurrent HTTP requests

Information describing the Curl library

getBitIndicators

Operate on bit fields

HTTP_VERSION_1_0

Symbolic constants for specifying HTTP and SSL versions in libcurl

CurlFeatureBits

Constants for libcurl

Handle characters in URL that need to be escaped

Download binary content

Constructor and accessors for CURLOptions objects

basicTextGatherer

Cumulate text across callbacks (from an HTTP response)

Specify information about a file to upload in an HTTP request

Infer the MIME type from a file name

Access information about a CURL request

Set values for the CURL options

Generic function for resetting an object

Complete an asynchronous HTTP request

Submit an HTML form

Create a C-level handle for a file

Upload content via FTP

Method for merging two lists by name

Encode/Decode base64 content

basicHeaderGatherer

Functions for processing the response header of a libcurl request

Dynamically determine content-type of body from HTTP header and set body reader

chunkToLineReader

Utility that collects data from the HTTP reply into lines and calls user-provided function.

Retrieve contents of a file from a remote host via SCP (Secure Copy)

Internal functions

Create libcurl handles