Are my emails getting through? 2013/4/14 santiago gil <sg.c...@gmail.com>: > Hello all, > > I have a problem with the way attributes are dealt with in the > function xmlToList(), and I haven't been able to figure it out for > days now. > > Say I have a document (produced by nmap) like this: > >> mydoc <- '<host starttime="1365204834" endtime="1365205860"><status >> state="up" reason="echo-reply" reason_ttl="127"/> > <address addr="XXX.XXX.XXX.XXX" addrtype="ipv4"/> > <ports><port protocol="tcp" portid="135"><state state="open" > reason="syn-ack" reason_ttl="127"/><service name="msrpc" > product="Microsoft Windows RPC" ostype="Windows" method="probed" > conf="10"><cpe>cpe:/o:microsoft:windows</cpe></service></port> > <port protocol="tcp" portid="139"><state state="open" > reason="syn-ack" reason_ttl="127"/><service name="netbios-ssn" > method="probed" conf="10"/></port> > </ports> > <times srtt="647" rttvar="71" to="100000"/> > </host>' > > I want to store this as a list of lists, so I do: > > mytree<-xmlTreeParse(mydoc) > myroot<-xmlRoot(mytree) > mylist<-xmlToList(myroot) > > Now my problem is that when I want to fetch the attributes of the > services running of each port, the behavior is not consistent: > >> mylist[["ports"]][[1]][["service"]]$.attrs["name"] > name > "msrpc" >> mylist[["ports"]][[2]][["service"]]$.attrs["name"] > Error in trash_list[["ports"]][[2]][["service"]]$.attrs : > $ operator is invalid for atomic vectors > > I understand that the way they are dfined in the documnt is not the > same, but I think there still should be a consistent behavior. I've > tried many combination of parameters for xmlTreeParse() but nothing > has helped me. I can't find a way to call up the name of the service > consistently regardless of whether the node has children or not. Any > tips? > > All the best, > > > S.G. > > -- > ------------------------------------------------------------------------------- > http://barabasilab.neu.edu/people/gil/
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