jump_to: Navigate to a new url.

In Zyufei/Rstudy: Easily Harvest (Scrape) Web Pages

Description

jump_to() takes a url (either relative or absolute); follow_link takes an expression that refers to a link (an <a> tag) on the current page.

Usage

jump_to(x, url, ...)

follow_link(x, i, css, xpath, ...)

Arguments

x	A session.
url	A URL, either relative or absolute, to navigate to.
...	Any additional httr configs to apply to this request.
i	You can select with: an integer selects the ith link a string first link containing that text (case sensitive)
css	Nodes to select. Supply one of css or xpath depending on whether you want to use a css or xpath 1.0 selector.
xpath	Nodes to select. Supply one of css or xpath depending on whether you want to use a css or xpath 1.0 selector.

Examples

s <- html_session("http://hadley.nz")
s <- s %>% follow_link("github")
s <- s %>% back()
s %>% follow_link("readr")

Zyufei/Rstudy documentation built on May 19, 2019, 4:04 p.m.