Enjoy your arbitrary command execution.
On 10 Jun 2013 14:15, "Chris F.A. Johnson" <ch...@cfajohnson.com> wrote:
> On Mon, 10 Jun 2013, Greg Wooledge wrote:
>
> On Sun, Jun 09, 2013 at 02:02:02PM -0700, Linda Walsh wrote:
>>
>>> I was wondering if I was missing some syntax somewhere...
>>> but I wanted to be able to pass the name of a hash in
>>> and store stuff in it and later retrieve it... but it
>>> looks like it's only possible with an eval or such?
>>>
>>
>> Passing arrays "by reference" (by name) to a function will be possible
>> in bash 4.3. It is not possible in current versions of bash, without
>> using eval trickery, as you have already noted. And doing it with
>> eval is so difficult that it's easier to switch languages entirely.
>>
>
> It is not the least bit difficult with eval:
>
> eval "array=( \"\${$1[@]}\" )"
>
> --
> Chris F.A. Johnson, <http://cfajohnson.com/>
> Author:
> Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
> Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
>
>
