Try this: library(rjson) j <- fromJSON(file = 'https://raw.github.com/currencybot/open-exchange-rates/master/latest.json') j$rates$USD
On Mon, Apr 16, 2012 at 6:03 PM, Simon Kiss <sjk...@gmail.com> wrote: > Hi all: > I struggle a lot scraping web data. I still haven't got a handle on the XML > package. > I'd like to get particular exchange rates from this table: > https://raw.github.com/currencybot/open-exchange-rates/master/latest.json > This is the code that I'm working with: > library(RCurl) > library(XML) > > txt<-getURL("https://raw.github.com/currencybot/open-exchange-rates/master/latest.json";) > txt<-htmlParse(txt, asText=TRUE) > txt<- getNodeSet(txt, '//p') > So, I can get the node, properly but then, if I try soething like this: > grep(c('USD'), txt) > > I get: > integer(0) > > Can anyone suggest a way forward? > Yours, Simon KIss > > ********************************* > Simon J. Kiss, PhD > Assistant Professor, Wilfrid Laurier University > 73 George Street > Brantford, Ontario, Canada > N3T 2C9 > Cell: +1 905 746 7606 > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
