https://github.com/cran/XML
Tip revision: 20a267e2cb6cee805c5bd71e0666c4d450c4c416 authored by Duncan Temple Lang on 30 September 2012, 00:00:00 UTC
version 3.95-0
version 3.95-0
Tip revision: 20a267e
HTMLText.R
# The following illustrates how we can get the text
# Michael Conklin.
# Also see ./foo.html as an example with javascript content
# and a pseudo/fake css node.
doc = htmlParse("http://www.omegahat.org/")
txt = xpathSApply(doc, "//body//text()", xmlValue)
#The result is a character vector that contains all the text.
#By limiting the nodes to the body, we avoid the content in <head>
#such as inlined JavaScript or CSS.
#It is also possible that a document may have <script> elements
#in the document containing JavaScript that you don't want.
#You can omit these
txt = xpathSApply(doc, "//body//text()[not(ancestor::script)]", xmlValue)
# And if there were other elements we wanted to ignore, then you could use
txt = xpathSApply(doc,
"//body//text()[not(ancestor::script) and not(ancestor::otherElement)]",
xmlValue)
