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2002 Jan 28 11:11

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

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Re: [vox-tech] ksh question
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Re: [vox-tech] ksh question



Sorry to carry on a conversation with myself, but I said...

On Sat, 26 Jan 2002, Jeff Newmiller wrote:

[...]

> In bash, you can do:
> 
>   $ var=value
>   $ ref=var
>   $ echo ${!ref}
>   value
> 
> but unfortunately, you cannot do
> 
>   $ ${!ref}=anothervalue

and after experimenting further, I find that the effect can be obtained
with:

  $ eval $ref=other
  $ echo $var
  other

This is still more like a pointer in C than a reference in C++.

---------------------------------------------------------------------------
Jeff Newmiller                        The     .....       .....  Go Live...
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                                      Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
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