grails - Using xmlProperty task with GANT -

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I am writing an assignment with gant and I have to fight with the job XML property. I have this example XML file: 

  & lt; Root & gt; & Lt; Properties & gt; & Lt; Foo & gt; Bar & lt; / Foo & gt; & Lt; / Properties & gt; & Lt; / Root & gt;

And when I do: 

  ant.xmlproperty (file: "myFile.xml") println "$ {root.properties.foo}"

Nothing has been printed Any thoughts that I am doing wrong?

xmlproperty file does not have ant properties, groove variables , So you need to use them on the project.properties via the AntBuilder example: 

  println ant.project.properties.'root.properties.foo '

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