Re: unset does not remove functions like a[b] unless -f is specified

[Chet Ramey]

On 2/2/23 3:02 PM, Dale R. Worley wrote:
> Greg Wooledge <greg@wooledge.org> writes:
> > I'd be totally OK with restricting the function namespace a bit more.
> > Function names should not be allowed to contain backticks or less-than
> > or greater-than signs (in my opinion).  I'm still undecided about
> > parentheses, but I'm leaning toward "denied".
>
> I'd be perfectly fine if function names had to be "names", and my memory
> is that old versions of Bash enforced that. 

That is the opposite of how it went. From the beginning, bash had very
few limitations on function names (dollar sign, unquoted, all digits,
etc.). It was when I added posix mode changes between bash-1.13 and
bash-1.14 that the restrictions on names came in.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/