On Wed, Mar 07, 2018 at 10:54:22AM -0500, christopher barry wrote:
> So yes 'ivar -3' is very, very bad indeed, and was a nasty bug, and I
> absolutely agree that making sure the string is a validly formatted var
> name before attempting to evaluate it is the right approach.
> My only request is for bash to not throw an error when it realizes
> it's invalid. Returning 1 and no data seems like a reasonable response
> that fixes the prior bug, but will not break this use-case.

Just out of curiosity, what *is* this use case, and why are you not
using an associative array?

It seems like you are trying to map strings of gibberish to nothing, and
strings of non-gibberish to values.  An associative array does that.

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