Howto remove empty dirs in post-deactivate?

[Peter Danecek]

Hi all,

I am looking for an elegant way to remove some directory (directories) if they are empty in a Portfile.

I would like to use this in the post-deactivate hook. There I remove some unregistered files, after related registered files are deactivated. However, afterwords I'd like to check if the dir now is empty and conditionally remove it. 

I am not very fluent in TCL, so any tip how to do this in an elegant way is welcome.

Thanks!
~petr

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