On Sat, Nov 20, 2021, at 11:46 PM, Zach Riggle wrote:
> I recently learned about GLOB_DOTS, which is pretty useful in some
> scenarios, e.g.
>
>> echo *(md-1)
>
> To show all files modified within the last day. However, in some cases
> I want to see hidden files (e.g. ./.foo) as well. The globdots option
> is excellent for this!
>
> Is there an easy way to set this for a single _expression_?
Yes, the "D" glob qualifier.
% touch {.,}{a..c}
% print -r -- *
a b c
% print -r -- *(D)
.a .b .c a b c
> I know I can use a function / anonymous function combined with
> LOCAL_OPTIONS to get this, but I wondered if there's something more
> clever.
>
> [...]
>
> I expect that there's something I can do for scripts that I fully
> control, to declare some function ('globdots') which is invoked with
> noglob, and can then internally set the flag, and then trigger
> expansion of each argument in "$@".
>
> [...]
>
> I can just invoke "eval" on something that I KNOW will be a glob
> _expression_ to get it to expand, but blindly calling eval will execute
> things that are NOT glob expressions, and I only want filename
> expansion.
>
> What I have found that DOES work (but overkill and a hack) is just to
> shell out to zsh again, while passing in all options that are currently
> set -- plus globdots.
>
> [...]
>
> Then there's also the issue of causing filename expansion to occur when
> unintended -- for example, if '*' is indeed just a string argument, and
> should not be subject to expansion. I think this corner case I can
> ignore, as any user will explicitly be asking for glob expansion.
What verve! Fortunately you don't have to do any of this :)
> Finally, I wanted to say that I genuinely appreciate the help and
> answers I've gotten from this community. You're all very welcoming,
> experienced, and get down to the point / answers quickly.
On behalf of the actual helpful people, you're quite welcome.
> If there's any way that I can help support Zsh development or the
> community around it, please let me know.
I think your using zsh is already quite supportive!
--
vq