HOWTO copy files in an etl.xml

<connection id="script" driver="script"/>
.... tasks before ...
<script connection-id="script">
    java.lang.System.out.println("Try to copy files with Scriptella ....");
    java.nio.file.Files.copy(
        (new java.io.File("etl/step_3/file_to_copy.db")).toPath(),
        (new java.io.File("etl/out/file_to_copy.db")).toPath()
    );
</script>
...tasks after...

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from @hansgru in issue #14