url_destination: Get the final destination of a URL

In xfun: Supporting Functions for Packages Maintained by 'Yihui Xie'

Get the final destination of a URL

Description

If a URL is redirected, query the new location via curlGetHeaders(), otherwise return the original URL.

Usage

url_destination(x, force = FALSE)

Arguments

x	A character vector of URLs.
force	By default, the query is cached in the current R session. To bypass the cache, use force = TRUE.

Value

The final destination(s). If the URL returns a status code greater than or equal to 400, it will throw an error.

Examples

u = "https://cran.r-project.org/package=xfun"
url_destination(u)  # redirected to canonical URL

xfun documentation built on July 9, 2026, 5:08 p.m.