Hi Bob, Thanks, can you help me undestand why it starts with //observation and how you know that it is a node?
Glenn On Sep 21, 2015, at 01:56 PM, boB Rudis <b...@rudis.net> wrote: This is how (one way) in both the xml2 package and XML package: library(xml2) library(XML) txt <- '<?xml version="1.0" encoding="utf-8"?> <observations realtime_start="2015-09-21" realtime_end="2015-09-21" observation_start="2015-09-01" observation_end="2015-09-01" units="lin" output_type="1" file_type="xml" order_by="observation_date" sort_order="asc" count="1" offset="0" limit="100000"> <observation realtime_start="2015-09-21" realtime_end="2015-09-21" date="2015-09-01" value="0.46"/> </observations>' doc <- read_xml(txt) xml_attr(xml_find_all(doc, "//observation"), "value") doc1 <- xmlParse(txt) xpathSApply(doc1, "//observation", xmlGetAttr, "value") On Mon, Sep 21, 2015 at 2:01 PM, Glenn Schultz <glennmschu...@me.com> wrote: <?xml version="1.0" encoding="utf-8"?> <observations realtime_start="2015-09-21" realtime_end="2015-09-21" observation_start="2015-09-01" observation_end="2015-09-01" units="lin" output_type="1" file_type="xml" order_by="observation_date" sort_order="asc" count="1" offset="0" limit="100000"> <observation realtime_start="2015-09-21" realtime_end="2015-09-21" date="2015-09-01" value="0.46"/> </observations> ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
