html_session: Simulate a session in an html browser.

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

Description

Simulate a session in an html browser.

Usage

html_session(url, ...)

is.session(x)

Arguments

url	Location to start session
...	Any additional httr config to use throughout session.
x	An object to test to see if it's a session.

Methods

A session object responds to a combination of httr and html methods: use cookies(), headers(), and status_code() to access properties of the request; and html_nodes to access the html.

Examples

# http://stackoverflow.com/questions/15853204

s <- html_session("http://hadley.nz")
s %>% jump_to("hadley-wickham.jpg") %>% jump_to("/") %>% session_history()
s %>% jump_to("hadley-wickham.jpg") %>% back() %>% session_history()

s %>% follow_link(css = "p a")

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