On 17 July 2011 07:35, Aleksey Tsalolikhin <atsaloli.t...@gmail.com> wrote:
> On Fri, Jul 15, 2011 at 12:44 AM, Mark Burgess <m...@cfengine.com> wrote:
> > ... there is no
> > difference in the way that () and {} are handled. Logically, there
> > should be full symmetry between these cases.
>
> Dear Mark,
>
> If () and {} have no difference, why are there two of them, please?
>
> Why not just () or {}? What's the use of having them both, please?
>
> Legacy? I see that the $(varname) construct is preferred in the docs, I
certainly prefer ${varname}, because this is consistent across Perl, Bash
and then Cfengine.
- Erlend
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