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Re: PATCH: Add \? to get PIPESTATUS information in the prompt


From: Paul Jarc
Subject: Re: PATCH: Add \? to get PIPESTATUS information in the prompt
Date: Wed, 05 Sep 2001 13:55:35 -0400
User-agent: Gnus/5.090004 (Oort Gnus v0.04) Emacs/20.7

I wrote:
> "Wesley J Landaker" <address@hidden> wrote:
>> This is possible to do, sure, with PROMPT_COMMAND and so forth, but 
>> it's rather annoying, because running PROMPT_COMMAND actually modifies 
>> PIPESTATUS, and so forth.
> 
> You can save $? befare doing anything else, and restore it at the end.

Actually, PIPESTATUS is modified by PROMPT_COMMAND, but not by command
substitution in PS1 (in 2.04, anyway).  $? is modified by both.
Weird.  Chet, is this something we should rely on, or might it be
changed?


paul



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