Considering the following XML, how can I use the Ant task XMLTask to change bar using foo as a filter if there many items like this with different names.
<string name="foo">bar</string>
<string name="another">a value goes here</string>
<string name="somethingelse">some other value</string>
First of all, we'll assume your xml is actually valid and include a top-level element, e.g.
<mydocument>
<string name="foo">bar</string>
<string name="another">a value goes here</string>
<string name="somethingelse">some other value</string>
</mydocument>
Then, the XPath expression for your specific <string> elements is:
//string[@name='foo'] (and for the value, add \text().
Finally, the XmlTask becomes, for instance:
<xmltask source="source.xml" dest="target.xml">
<replace path="//string[@name='foo']/text()" withText="foobar"/>
</xmltask>
