Get clean machine-friendly Maven lines/xml/json output parseable by scripts in STDOUT?

Question

For example, run this command with for a maven project:

mvn dependency:list

What I need from Maven is only these two lines (cut out fr

Answer 1

I was able to supply a property to save required clean output into a file.

For example, -DoutputFile or -Doutput:

mvn dependency:list     -DoutputFile=dependencies.output.txt
mvn help:effective-pom  -Doutput=effective.pom.xml

If STDOUT is required, cat the file.

Even though it's not generic, so far, the workaround solves all cases for me.