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Re: trap question

X-seq: zsh-users 28428
From: Roman Perepelitsa <roman.perepelitsa@xxxxxxxxx>
To: Ray Andrews <rayandrews@xxxxxxxxxxx>
Cc: Zsh Users <zsh-users@xxxxxxx>
Subject: Re: trap question
Date: Fri, 25 Nov 2022 19:57:23 +0100
Archived-at: <https://zsh.org/users/28428>
In-reply-to: <e3382835-c9a6-a304-b8df-31700759844f@eastlink.ca>
List-id: <zsh-users.zsh.org>
References: <e3382835-c9a6-a304-b8df-31700759844f@eastlink.ca>

On Fri, Nov 25, 2022 at 7:36 PM Ray Andrews <rayandrews@xxxxxxxxxxx> wrote:
>
> So what I'm really wanting is some way to set the trap in such a
> way that it responds to the value of 'var' *at the time of the springing
> of the trap*, namely at 'return'.  Can it be done?

Try replacing this:

    trap " [[ $var == '0' ]] && echo trap: var is: $var" EXIT

with this:

    trap ' [[ $var == 0 ]] && echo trap: var is: $var' EXIT

Roman.

Follow-Ups:
- Re: trap question
  - From: Ray Andrews

References:
- trap question
  - From: Ray Andrews

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