>>>>> On Wed, 31 Aug 2011, Alec Warner wrote: > Also it is my understanding that all tokens in $(()) go through > expansion, so for instance:
> $(( 1024 * 1024 * size ))
> and
> $(( 1024 * 1024 * ${size})) are equivalent.
> Is this only in bash4?
It's like this since bash 2.05 at least.
> Do we have a style preference?
Personally, I'd prefer the first variant.
Ulrich
