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Re: Prevent a specific function from being xtrace'd

X-seq: zsh-users 26971
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Zach Riggle <zachriggle@xxxxxxxxx>
Cc: Zsh Users <zsh-users@xxxxxxx>
Subject: Re: Prevent a specific function from being xtrace'd
Date: Mon, 23 Aug 2021 19:27:03 -0700
Archived-at: <https://zsh.org/users/26971>
In-reply-to: <CAMP9c5=hTpffYG_EydhhtD-ig7yzZYXxKDOFrRLXAs+PmOr52Q@mail.gmail.com>
List-id: <zsh-users.zsh.org>
References: <CAMP9c5==SoZuvHHB3U+HYu5+KwXMa7Jifjf_TFd31yxrhBiA1w@mail.gmail.com> <CAH+w=7bOCbkjRhGj8HjeJ6t-uyg7Uye26M5NnLqai+ThyXR_5A@mail.gmail.com> <CAMP9c5=hTpffYG_EydhhtD-ig7yzZYXxKDOFrRLXAs+PmOr52Q@mail.gmail.com>

On Mon, Aug 23, 2021 at 4:23 PM Zach Riggle <zachriggle@xxxxxxxxx> wrote:
>
> >>> local first_line=$(head -1 <<<$ZSH_DEBUG_CMD)
> > Egad.
> > local first_line=${ZSH_DEBUG_CMD%%$'\n'*}
>
> That's (almost!) the following line!  I couldn't quite get it to work,
> looks like I was missing a $ and the *.

You can also do

local first_line=${${(f)ZSH_DEBUG_CMD}[1]}

if that seems more appealing.

References:
- Prevent a specific function from being xtrace'd
  - From: Zach Riggle
- Re: Prevent a specific function from being xtrace'd
  - From: Bart Schaefer
- Re: Prevent a specific function from being xtrace'd
  - From: Zach Riggle

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