html_session
From rvest v0.3.2
by Hadley Wickham
Simulate a session in an html browser.
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
library(rvest)
# NOT RUN {
# 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()
# }
# NOT RUN {
s %>% follow_link(css = "p a")
# }
Community examples
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