The unlink on the directory will only be tried if it read 
unless(-f){
    unlink $File::Find::name;
}

[download]
The if(-f) prevents you from deleting anything but files. That means the directories are left alone. True, I should have a die, but it does work, and I use similar code regularly.

In reply to Re: Re:x2 deleting windows subdirectories by Steve_p
in thread deleting windows subdirectories by Anonymous Monk

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