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Re: PATCH: Add \? to get PIPESTATUS information in the prompt
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From: |
Paul Jarc |
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Subject: |
Re: PATCH: Add \? to get PIPESTATUS information in the prompt |
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Date: |
Wed, 05 Sep 2001 13:55:35 -0400 |
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User-agent: |
Gnus/5.090004 (Oort Gnus v0.04) Emacs/20.7 |
I wrote:
> "Wesley J Landaker" <wjl@mindless.com> 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