[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-bash] Why remove the export attribute of $_ every time after a
|
From: |
ziyunfei |
|
Subject: |
Re: [Help-bash] Why remove the export attribute of $_ every time after a simple command is executed |
|
Date: |
Wed, 9 Sep 2015 09:59:34 +0800 |
On Sep 8, 2015, at 11:27 PM, Chet Ramey <address@hidden> wrote:
> I see what you mean. What use case do you have for making it exportable?
> The feature has been around over 25 years, and this is the first time the
> subject has come up. It's tough to recreate the past, but I imagine the
> rationale was something along the lines that the information is only useful
> in the current shell.
No, I do not have such a use case(export $_ to a builtin command), I just
wonder if there is a particular reason for that, and now I know the answer.
Thanks!