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From: isabella parakiss <izaberina@gmail.com>
Newsgroups: gnu.bash.bug
Subject: Re: ! in PS1 in posix mode
Date: Mon, 12 Oct 2015 18:49:14 +0200
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On 10/12/15, Greg Wooledge <wooledg@eeg.ccf.org> wrote:
> On Mon, Oct 12, 2015 at 09:28:42AM -0700, Linda Walsh wrote:
>> Chet Ramey wrote:
>> >http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_03
>> >
>> >"The shell shall replace each instance of the character '!' in PS1 with
>> >the history file number of the next command to be typed."
>>
>> I've never seen that -- even when my prompt has
>> ! in it...maybe it's cause I have histexpand 'off'?
>
> Same here.
>
> imadev:~$ PS1=' ! > '
>  ! >
>
> If that's a bug, please don't "fix" it.
>
Out of posix mode, the history number is \!

---
xoxo iza