[R] Assistance converting to R a python function that extracts from an XML file

[MacQueen, Don]

Duncan,

Thank you very much.

-Don

-- 
Don MacQueen

Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062





On 12/13/14, 1:06 PM, "Duncan Temple Lang" <dtemplelang at ucdavis.edu> wrote:

>Hi Don
>
>library(XML)
>readxmldate = 
>function(xmlfile) 
>{
>  doc = xmlParse(xmlfile)
>  xpathSApply(doc, '//Esri/CreaDate | //Esri/CreaTime', xmlValue)
>}
>
> D.
>
>On 12/13/14, 12:36 PM, MacQueen, Don wrote:
>> I would appreciate assistance doing in R what a colleague has done in
>> python. Unfortunately (for me), I have almost no experience with either
>> python or xml.
>> 
>> Within an xml file there is
>>     <CreaDate>20120627</CreaDate><CreaTime>07322600</CreaTime>
>> and I need to extract those two values, 20120627 and 07322600
>> 
>> 
>> Here is the short python function. Even without knowing python, it's
>> conceptually clear what it does. I would like to do the same in R.
>> 
>> def readxmldate(xmlfile):
>> 	tree = ET.parse(xmlfile)
>> 	root = tree.getroot()
>> 	for lev1 in root.findall('Esri'):
>> 		xdate = lev1.find('CreaDate').text
>> 		xtime = lev1.find('CreaTime').text
>> 		return xdate, xtime
>> 
>> 
>> Thanks in advance
>> -Don
>>
>
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