$PROMPT_COMMAND (WAS: Re: Using $PROMPT_COMMAND to beep depending on success/failure)

[Jude DaShiell]

Yes, with zsh that's also automatic.

On Sat, 23 Apr 2016, Tony Baechler wrote:

> Date: Sat, 23 Apr 2016 07:38:11
> From: Tony Baechler <tony at baechler.net>
> Reply-To: Linux for blind general discussion <blinux-list at redhat.com>
> To: Linux for blind general discussion <blinux-list at redhat.com>
> Subject: Re: $PROMPT_COMMAND (WAS: Re: Using $PROMPT_COMMAND to beep depending
>      on success/failure)
> 
> On 4/22/2016 2:09 PM, Lars Bj?rndal wrote:
>> Do any of you know of a way to get a number as the first cell(s)
>> in the prompt indicating the error code of the previous command? E.g.
>>
>> 1[user at host ~]#
>>
>> if something gets wrong? If zero, I'd like to get no number output.
>> I think that could be convenient when using braille.
>
>
> There is probably a way in bash, like echoing $? at the beginning of the 
> prompt. However, mksh does that automatically. I think zsh does as well.
>
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