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Asked: 2026-05-20T04:55:56+00:00

I have a source directory with a bunch of plugins. Each plugin has its

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I have a source directory with a bunch of plugins. Each plugin has its own lib directory. I want the contents of each of those lib directories to be merged into a single lib directory within my build. In theory you’d do something like this:

<copy todir="build/web/lib">
    <fileset dir="web/plugins/*/lib/" includes="**/*" />
</copy>

However, Ant chokes when the dir attribute includes a wildcard. Is ant-contrib the only alternative, or can you make this work with vanilla ant?

Choke message is build.xml:28: [...]/web/plugins/*/lib does not exist.

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1 Answer

  1. Editorial Team

    The dir= attribute of a fileset doesn’t take a wildcard – hence the error you see. You need to specify a single directory, in this case web/plugins, and use a slightly different wildcard for the includes:

    <copy todir="build/web/lib">
    <fileset dir="web/plugins" includes="*/lib/**/*" />
</copy>

    If you need to alter the paths as you copy, you can use a mapper, for example the flattenmapper will give you file names with all leading directory information stripped off.

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