?tryCatch HTH, Dennis
On Mon, Aug 29, 2011 at 9:04 AM, s1oliver <s1oli...@ucsd.edu> wrote: > Hi, beginner to R and was having some problems scraping data from tables in > html using the XML package. I have included some code below. > > I am trying to loop through a series of html pages, each of which contains a > single table from which I want to scrape data. However, some of the pages > are blank - and so it throws me an error message when it gets to > htmlParse(). The loop then closes out and I get the error message below: > > Error in htmlParse(url) : > error in creating parser for > http://www.szrd.gov.cn/viewcommondbfc.do?id=728 > > How might be best to go about keeping the loop running so I can parse the > rest? > > **************************************************** > > library(XML) > > url_root<-"http://www.szrd.gov.cn/viewcommondbfc.do?id=" > > for(i in 700:750){ > url = paste(url_root, i, sep="") > doc = htmlParse(url) > > tableNodes = getNodeSet(doc, "//table") > tbl = readHTMLTable(tableNodes[[3]]) > } > **************************************************** > > Steve Oliver > Department of Political Science > University of California at San Diego > 9500 Gilman Dr. > La Jolla, CA 92092 > > -- > View this message in context: > http://r.789695.n4.nabble.com/reading-tables-from-multiple-HTML-pages-tp3776605p3776605.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > ______________________________________________ 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.