I'm trying, and so far failing, to extract data from a very large SharePoint list. I have a URL for getting XML from sharepoint: http:// <site>/_vti_bin/owssvr.dll?Cmd=Display&List={GUID}&Query=*&XMLDATA=TRUE When I do something like the following: require(XML) require(RCurl) URL <- "http:// <site>/_vti_bin/owssvr.dll?Cmd=Display&List={GUID}&Query=*&XMLDATA=TRUE" data = xmlParse(readLines(URL) I get an authorization error back: Error in file(con, "r") : cannot open the connection In file(con, "r") : cannot open: HTTP status was '401 Unauthorized' No problem I modifty things to this: URL <- "http:// <site>/_vti_bin/owssvr.dll?Cmd=Display&List={GUID}&XMLDATA=TRUE" w <- getURL(URL, userpwd="uname:password") myDataFrame <- xmlParse(w) . . . it returns with: internal error: Huge input lookup internal error: Huge input lookup Extra content at the end of the document .... Help! Thanks in advance -- David A. Wagle cell: 952-607-71741 linkedin: http://www.linkedin.com/in/davidwagle/ [[alternative HTML version deleted]]