A FindBugs report delta ant task
Add an ant task like the following
<target name="sample_delta" xmlns:fbdelta="antlib:com.mebigfatguy.fbdelta">
<fbdelta:fbdelta baseReport="original_report.xml" updateReport="update_report.xml"
outputReport="output.xml" changed="delta"/>
<antcall target="report"/>
</target>
<target name="report" if="${delta}">
<loadfile property="diff" srcFile="output.xml"/>
<echo>${diff}</echo>
</target>
fb-delta is available on maven.org
GroupId: com.mebigfatguy.fb-delta
ArtifactId: fb-delta
Version: 0.6.0