get_robotstxt: Download a robots.txt file

In petermeissner/robotstxt: A 'robots.txt' Parser and 'Webbot'/'Spider'/'Crawler' Permissions Checker

Download a robots.txt file

Description

Download a robots.txt file

Usage

get_robotstxt(
  domain,
  warn = getOption("robotstxt_warn", TRUE),
  force = FALSE,
  user_agent = utils::sessionInfo()$R.version$version.string,
  ssl_verifypeer = c(1, 0),
  encoding = "UTF-8",
  verbose = FALSE,
  rt_request_handler = robotstxt::rt_request_handler,
  rt_robotstxt_http_getter = robotstxt::get_robotstxt_http_get,
  on_server_error = on_server_error_default,
  on_client_error = on_client_error_default,
  on_not_found = on_not_found_default,
  on_redirect = on_redirect_default,
  on_domain_change = on_domain_change_default,
  on_file_type_mismatch = on_file_type_mismatch_default,
  on_suspect_content = on_suspect_content_default
)

Arguments

domain	domain from which to download robots.txt file
warn	warn about being unable to download domain/robots.txt because of
force	if TRUE instead of using possible cached results the function will re-download the robotstxt file HTTP response status 404. If this happens,
user_agent	HTTP user-agent string to be used to retrieve robots.txt file from domain
ssl_verifypeer	either 1 (default) or 0, if 0 it disables SSL peer verification, which might help with robots.txt file retrieval
encoding	Encoding of the robots.txt file.
verbose	make function print out more information
rt_request_handler	handler function that handles request according to the event handlers specified
rt_robotstxt_http_getter	function that executes HTTP request
on_server_error	request state handler for any 5xx status
on_client_error	request state handler for any 4xx HTTP status that is not 404
on_not_found	request state handler for HTTP status 404
on_redirect	request state handler for any 3xx HTTP status
on_domain_change	request state handler for any 3xx HTTP status where domain did change as well
on_file_type_mismatch	request state handler for content type other than 'text/plain'
on_suspect_content	request state handler for content that seems to be something else than a robots.txt file (usually a JSON, XML or HTML)

petermeissner/robotstxt documentation built on Nov. 17, 2024, 9:50 p.m.