Re: PS1='%?'

[Atom Smasher <atom@xxxxxxxxxxx>]

very cool... thanks!

i like that better than messing around with zle.


On Sat, 29 Sep 2007, Matthew Wozniski wrote:

> Here's (a very watered down version of) how I do that:
>
> # Set up RPS1 to display $psvar[3], rather than $?
> RPS1='%3v'
>
> # When executing a command, set a flag saying that we want $? shown
> function preexec {
>  shownexterr=1
> }
>
> # Before drawing the prompt, set $psvar[3] to be "[$?]" or "",
> # depending on whether the flag to show it is set and the return was
> # non-zero.  Then, reset the flag, so the next time precmd runs the
> # exit status won't be show.
> function precmd {
>  local exitstatus=$?  # Need a local, since other cmds change $?
>
>  if [[ "$exitstatus" -gt 0 && "$shownexterr" -gt 0 ]]; then
>    psvar[3]="[${exitstatus}]"
>  else
>    psvar[3]=""
>  fi
>  shownexterr=0;
> }


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