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

[Chet Ramey]

On 1/31/23 2:33 PM, Dale R. Worley wrote:

> So it does seem that a function named "a[0]" is valid in default mode.

Of course it is.


>         unset [-fv] [-n] [name ...]
>                ...  If no options are
>                supplied, each name refers to a variable; if there is  no  vari‐
>                able  by that name, a function with that name, if any, is unset.
>
> So taking that text strictly, "unset a[0]" should attempt to remove the
> variable a[0], and if it does not exist, attempt to remove the function
> a[0] that name.

As long as there isn't an existing array variable a. In this theoretical
exercise, trying to remove an unset subscript and actually removing a shell
function would be worse.

--
``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/