Re: [Help-bash] Looking for something like "errexit" for interactive sessions

[Eric Pruitt]

On Tue, Aug 27, 2019 at 02:42:16PM -0700, Eric Pruitt wrote:
> Is there a feature akin to errexit that's interactive session friendly
> i.e. instead of causing the session to exit, it'd drop the user back to
> a prompt if a command finished with a non-zero status?

On Wed, Aug 28, 2019 at 06:29:52PM -0700, Eric Pruitt wrote:
> The middle ground is going to the prompt in situations where the shell
> would exit with errexit. If the option existed and was called
> "err>prompt<" instead "err>exit<", I'd want it to work like this:
>
>     # Normal session
>     ~$ true; echo x; (exit 123); echo y
>     x
>     y
>
>     # With non-existent option I'm calling errprompt
>     ~$ set -o errprompt
>     ~$ true; echo x; (exit 123); echo y
>     x
>     ~$ echo $?
>     127
>
> Essentially it's analogous to errexit but, instead of exiting, it
> dumps you back at a prompt as described in my original message

I've got a preliminary patch that makes errexit behave this way in an
interactive shell. I haven't been using it long (I did this literally
minutes ago), and I need to study the Bash source some more to better
how reader_loop is works, so there are probably bugs and/or unintended
consequences.

Eric

interactive-errexit.patch
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