Re: Document that here strings don't support brace expansion.

[Chet Ramey]

On 3/15/23 12:52 AM, Alex Bochannek wrote:
> Chet,
>
> Thank you for the thoughtful responses. My thoughts below got a bit
> long, so here is a summary:
>
> - The here-string documentation should either spell out that brace
>    expansion is not performed or simple only list the expansions that
>    are.

The original text didn't describe the specific expansions for here-strings
at all, just deferred to the general description of redirections and here-
documents. I changed to the current text after an August 2011 discussion
where it was requested (in the midst of yet another riveting discussion of
the value of `set -e'). The fact that pathname expansion is not performed
was a particular sore point for at least one of the participants.

In general, I don't like enumerating expansions that aren't performed, but
it was the best way to resolve the issue here.

> - The same goes for the documentation for the shell-expand-line Readline
>    command.

Yes, I can make that explicit.

> - A Readline command to expand braces is a nice to have, but not
>    essential.

OK.

--
``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/