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xmlAsNumber

Convert the result of a XPath query into a row of numbers

Syntax

nums = xmlAsNumber(xp)

Arguments

xp

xp, a XML mlist typed XMLSet or XMLList

nums

nums, a single row of doubles

Description

The result of a XPath query or the children of a node can be a set of XMLElements which contains numbers, so the aim of this function is to convert the contents of each nodes into a double.

Examples

doc = xmlReadStr("<root><a>12</a><a>13</a><a>1.2345678</a><a>45e3</a><a>.23E-2</a></root>");

// Retrieve the content of the nodes with name equal to "a"
xp = xmlXPath(doc, "//a/text()");

// convert the result into doubles
data = xmlAsNumber(xp)

xmlDelete(doc);

See also

  • xmlXPath — Make a XPath query on a XML document
  • xmlAsText — Convert the result of a XPath query into a row of strings
  • xmlName — Retrieve the name of the elements.

History

VersionDescription
5.4.0 XML module introduced.
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Last updated:
Thu Oct 24 11:13:09 CEST 2024