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Date: Sat, 14 Feb 2015 00:14:03 +0100
Message-ID: <CAHYJk3Se5eQ=oCFvqH+M=aYZjdXgjAzLX1mTF9NehZ57x9eHsg@mail.gmail.com>
Subject: Re: prexec never gets empty string?
From: Mikael Magnusson <mikachu@gmail.com>
To: Derek Gleim <mail@dcgleim.com>
Cc: zsh workers <zsh-workers@zsh.org>
Content-Type: text/plain; charset=UTF-8

On Sat, Feb 14, 2015 at 12:04 AM, Mikael Magnusson <mikachu@gmail.com> wrote:
> On Fri, Feb 13, 2015 at 11:41 PM, Derek Gleim <mail@dcgleim.com> wrote:
>>> I certainly would never want preexec to be disabled just because a
>> line isn't stored in history.
>>
>> I don't follow.  Me neither.  My understanding is if the line isn't going to
>> be stored, preexec is still called, but it is supposed to be given an empty
>> string as the first argument when the command will be ignored by history
>> (while the second and third arguments give you the command regardless). No?
>
> Judging by http://www.zsh.org/mla/workers/2001/msg00605.html , the
> empty string was never intended as a feature, just a workaround for
> not having access to the string. I guess a subsequent change made the
> string always be available. Possibly the feature that always keeps the
> last command in history until you run another command is newer than
> this change and is why it always works now.

Yep, here we are, the month after:
http://www.zsh.org/mla/workers/2001/msg01028.html
So this part of the manual was only accurate for about 21 days in 2001.

-- 
Mikael Magnusson