What do two stars mean in an Ant fileset tag?

问题

<fileset dir="${lib.dir}" includes="**/*.jar"/>

what does two stars mean?

回答1:

AFAIK - ( I've used NAnt a few years ago ) - it means include all jar file in ${lib.dir} and subdirectories.

来源：https://stackoverflow.com/questions/5114466/what-do-two-stars-mean-in-an-ant-fileset-tag