Re: How to print the actual command for BASH_COMMAND in trap?

[ikhxcsz7y xmbott]

1. you cannot set bash cmd for executement like this
2. try the code as PS0 var

On Sun, Jun 13, 2021, 04:32 Peng Yu <pengyu.ut@gmail.com> wrote:

> In the following script, 'true' is printed twice.
>
> My understanding is that, for trapped command ('false' in this),
> BASH_COMMAND is still the last command before the trap ('true'). Is it
> the case?
>
> $  ./main.sh
> declare -- BASH_COMMAND="true"
> declare -- BASH_COMMAND="true"
> $ cat  ./main.sh
> #!/usr/bin/env bash
> trap 'false' EXIT
> trap 'declare -p BASH_COMMAND' DEBUG
> true
>
> Is there a way to print 'false' instead of 'true' for the last print
> of BASH_COMMAND?
>
> --
> Regards,
> Peng
>
>