[Gllug] counting subdirectories

[Tethys]

Matthew King writes:

>Wouldn't the -A switch to ls make things a whole lot easier?
>
> [...]
>
>Assuming that's not yet another GNU extension.

Yes, it would be easier. Yes, it's a GNU extension. But it's also
a widely supported extension. It works fine on Solaris, AIX, Tru64
and probably others. But it's not in the spec.

	http://www.opengroup.org/onlinepubs/007904975/utilities/ls.html

Tet

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