None of those Apache Groovy examples you gave work when scripting Jenkins pipelines, because the all the functional methods (e.g. each, collect, findAll) are cr

None of those Apache Groovy examples you gave work when scripting Jenkins pipelines, because the all the functional methods (e.g. each, collect, findAll) are crippled so they don't work. Groovy is more like Bash for Java, rather than Perl.