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Re: Behaviour of an empty conditional expression is undefined?
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From: |
Koichi Murase |
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Subject: |
Re: Behaviour of an empty conditional expression is undefined? |
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Date: |
Thu, 23 Feb 2023 19:33:43 +0900 |
2023年2月23日(木) 17:58 Qingsheng Huang <huangqqss@126.com>:
> The variable $A has never been defined.
> Double brackets surrounding 1) a few spaces or 2) an empty variable even
> quoted behave illogically. I've also try different lengths of spaces, and
> also an empty variable without quotes, the same illogical.
>
> I am curious if I am the first guy encounter such a situation.
This is already reported [1] and fixed in devel [2].
[1] https://lists.gnu.org/archive/html/bug-bash/2022-10/msg00098.html
[2]
https://git.savannah.gnu.org/cgit/bash.git/commit/?h=devel&id=6711d2dc7793ed3d35e91b2bd4ecbdfccfcf469f