View source: R/nodeAccessors.R
xmlApply | R Documentation |
These methods are simple wrappers for the
lapply
and sapply
functions.
They operate on the
sub-nodes of the XML node, and not on the fields of the node object itself.
xmlApply(X, FUN, ...) ## S3 method for class 'XMLNode' xmlApply(X, FUN, ...) ## S3 method for class 'XMLDocument' xmlApply(X, FUN, ...) ## S3 method for class 'XMLDocumentContent' xmlApply(X, FUN, ...) xmlSApply(X, FUN, ...) ## S3 method for class 'XMLNode' xmlSApply(X, FUN, ...) ## S3 method for class 'XMLDocument' xmlSApply(X, FUN, ...)
X |
the |
FUN |
the function to apply to each child node. This is passed
directly to the relevant |
... |
additional arguments to be given to each invocation of
|
The result is that obtained from calling
the apply
or sapply
on xmlChildren(x)
.
Duncan Temple Lang
http://www.w3.org/XML//, http://www.jclark.com/xml/, https://www.omegahat.net
xmlChildren
xmlRoot
[.XMLNode
sapply
lapply
doc <- xmlTreeParse(system.file("exampleData", "mtcars.xml", package="XML")) r <- xmlRoot(doc) xmlSApply(r[[2]], xmlName) xmlApply(r[[2]], xmlAttrs) xmlSApply(r[[2]], xmlSize)
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