It seems to me that the sensible thing to do with regards to creating
units would be

        unit=`devunit $i`

where devunit is a shell function:

devunit () {
        expr $1 : '[^0-9]*\([0-9]*\)'
}

That way you don't have to dink around with lengths of stuff, and it's
a brain-dead snarf-and-barf operation when you add a new device to the
MAKEDEV file.

Of course, this only works with things which end in numbers, but I don't
see this as an immediate problem, as most everything which contains more
than one number is a unique device anyway (qv. SunOS' vme32d16, which
isn't present here anyway).


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