xmlstarlet update not working in case of namespace defined in xml

Question

This is my XML file

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<widget id="com.abc.def" version="1.0.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
  <name>JoinTMA</name>
</widget>

I want to update the value of version="1.0.0" to version="2.0.0"

I tried with the following command on macOS

xml ed -N x="http://www.w3.org/ns/widgets" -u "/widget[@version='1.0.0']/@version" -v "2.0.0" fileName

But it did not update the version number

har07 · Accepted Answer · 2017-03-28 06:17:32Z

3

Notice that your XML has default namespace :

xmlns="http://www.w3.org/ns/widgets"

Therefore, widget and name elements are implicitly in that namespace. You have declared prefix x mapped to the default namespace URI, so you only need to use that prefix to reference widget in your XPath :

xml ed -N x="http://www.w3.org/ns/widgets" -u "/x:widget[@version='1.0.0']/@version" -v "2.0.0" fileName
                                                ^use the prefix

answered Mar 28, 2017 at 6:17

har07

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1 Comment

Jay Over a year ago

I just used "//x:widget[@version='1.0.0']/@version" in stead of "/x:widget[@version='1.0.0']/@version" and its working fine now. Thanks.

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