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.IX Title "XML::LibXML::NodeList 3"
.TH XML::LibXML::NodeList 3 2026-05-31 "perl v5.42.2" "User Contributed Perl Documentation"
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.SH NAME
XML::LibXML::NodeList \- a list of XML document nodes
.SH DESCRIPTION
.IX Header "DESCRIPTION"
An XML::LibXML::NodeList object contains an ordered list of nodes, as
detailed by the W3C DOM documentation of Node Lists.
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 5
\&  my $results = $dom\->findnodes(\*(Aq//somepath\*(Aq);
\&  foreach my $context ($results\->get_nodelist) {
\&    my $newresults = $context\->findnodes(\*(Aq./other/element\*(Aq);
\&    ...
\&  }
.Ve
.SH API
.IX Header "API"
.SS new(@nodes)
.IX Subsection "new(@nodes)"
You will almost never have to create a new NodeList object, as it is all
done for you by XPath.
.SS \fBget_nodelist()\fP
.IX Subsection "get_nodelist()"
Returns a list of nodes, the contents of the node list, as a perl list.
.SS \fBstring_value()\fP
.IX Subsection "string_value()"
Returns the string\-value of the first node in the list.
See the XPath specification for what "string\-value" means.
.SS \fBto_literal()\fP
.IX Subsection "to_literal()"
Returns the concatenation of all the string\-values of all
the nodes in the list.
.SS to_literal_delimited($separator)
.IX Subsection "to_literal_delimited($separator)"
Returns the concatenation of all the string\-values of all
the nodes in the list, delimited by the specified separator.
.SS \fBto_literal_list()\fP
.IX Subsection "to_literal_list()"
Returns all the string\-values of all the nodes in the list as
a perl list.
.SS get_node($pos)
.IX Subsection "get_node($pos)"
Returns the node at \f(CW$pos\fR. The node position in XPath is based at 1, not 0.
.SS \fBsize()\fP
.IX Subsection "size()"
Returns the number of nodes in the NodeList.
.SS \fBpop()\fP
.IX Subsection "pop()"
Equivalent to perl\*(Aqs pop function.
.SS push(@nodes)
.IX Subsection "push(@nodes)"
Equivalent to perl\*(Aqs push function.
.SS append($nodelist)
.IX Subsection "append($nodelist)"
Given a nodelist, appends the list of nodes in \f(CW$nodelist\fR to the end of the
current list.
.SS \fBshift()\fP
.IX Subsection "shift()"
Equivalent to perl\*(Aqs shift function.
.SS unshift(@nodes)
.IX Subsection "unshift(@nodes)"
Equivalent to perl\*(Aqs unshift function.
.SS prepend($nodelist)
.IX Subsection "prepend($nodelist)"
Given a nodelist, prepends the list of nodes in \f(CW$nodelist\fR to the front of
the current list.
.SS map($coderef)
.IX Subsection "map($coderef)"
Equivalent to perl\*(Aqs map function.
.SS grep($coderef)
.IX Subsection "grep($coderef)"
Equivalent to perl\*(Aqs grep function.
.SS sort($coderef)
.IX Subsection "sort($coderef)"
Equivalent to perl\*(Aqs sort function.
.PP
Caveat: Perl\*(Aqs magic \f(CW$a\fR and \f(CW$b\fR variables are not available in
\&\f(CW$coderef\fR. Instead the two terms are passed to the coderef as arguments.
.SS \fBreverse()\fP
.IX Subsection "reverse()"
Equivalent to perl\*(Aqs reverse function.
.SS foreach($coderef)
.IX Subsection "foreach($coderef)"
Inspired by perl\*(Aqs foreach loop. Executes the coderef on each item in
the list. Similar to \f(CW\*(C`map\*(C'\fR, but instead of returning the list of values
returned by \f(CW$coderef\fR, returns the original NodeList.
.ie n .SS "reduce($coderef, $init)"
.el .SS "reduce($coderef, \f(CW$init\fP)"
.IX Subsection "reduce($coderef, $init)"
Equivalent to List::Util\*(Aqs reduce function. \f(CW$init\fR is optional and
provides an initial value for the reduction.
.PP
Caveat: Perl\*(Aqs magic \f(CW$a\fR and \f(CW$b\fR variables are not available in
\&\f(CW$coderef\fR. Instead the two terms are passed to the coderef as arguments.