Re: How to do? Possible?

[Dennis Williamson]

Sorry, I overlooked the indirection (and the missing semicolon).

On Mon, Jul 25, 2011 at 10:18 PM, Bob Proulx <bob@proulx.com> wrote:
> Dennis Williamson wrote:
>> Linda Walsh wrote:
>> > GLOBAL="hi there"
>> > {foo=GLOBAL echo ${!foo}; }
>
> Note that this tickles a problem since foo isn't set before $foo is
> expanded.  Use this following with a semicolon instead:
>
>  GLOBAL="hi there"
>  {foo=$GLOBAL; echo ${!foo}; }
>
>> You had a missing dollar sign.
>>
>> I'm assuming you meant:
>>
>> GLOBAL="hi there"
>> {foo=$GLOBAL echo ${!foo}; }
>
> Er..  No.  There is a missing semicolon as described above and in
> other messages in the thread but the dollar size is intended to be
> excluded so that foo contains the string "GLOBAL" and ${!foo} will
> indirect through it.
> . . .
> Bob
>



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