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Re: Why is path not a -aUT type?

X-seq: zsh-users 27829
From: Lawrence Velázquez <larryv@xxxxxxx>
To: "Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxx>, "Zach Riggle" <zachriggle@xxxxxxxxx>
Cc: zsh-users@xxxxxxx
Subject: Re: Why is path not a -aUT type?
Date: Tue, 31 May 2022 13:44:28 -0400
Archived-at: <https://zsh.org/users/27829>
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References: <CAMP9c5kCYKZSJKw6o-a3Kthn2caUMKZBSPoh7LOUv+hv3k_tjQ@mail.gmail.com> <CAH+w=7bGk4FytRXDW_paf15j78B9Ds79AXOZ7bpkAE5JfQ_OBw@mail.gmail.com>

On Tue, May 31, 2022, at 1:22 PM, Bart Schaefer wrote:
> On Tue, May 31, 2022 at 4:16 AM Zach Riggle <zachriggle@xxxxxxxxx> wrote:
>>
>> Is there any reason that, by default, we do not
>>
>> typeset -aUT PATH path
>
> The main one is that PATH is imported from the environment and it's
> messy to immediately mung it and push it back there before we've even
> finished the rest of pre-RC-file shell initialization.  Further, it's
> not up to us to decide how that value should be passed through to
> child processes when zsh is used as a launcher by/for some other
> application.

It's also presumptuous to assume that all users want this.
I actually stopped deduplicating PATH/path recently because I want
to know when some application or other is trying to modify it behind
my back without having zsh possibly deduplicate the evidence away.

-- 
vq

References:
- Why is path not a -aUT type?
  - From: Zach Riggle
- Re: Why is path not a -aUT type?
  - From: Bart Schaefer

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