nvram, nvram_x

[barsju]

Thx! That works, and now I'm working on a script like this:

#!/bin/sh
i=$1
while [ $i -le $2 ]
do
        nvram unset  port_forward$i
        i=$i + 1
done

but I keep getting

./clearUPnP: 8: +: not found

What gives??

S.