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Re: Wanted: quoted param expansion that expands to nothing if no params


From: L A Walsh
Subject: Re: Wanted: quoted param expansion that expands to nothing if no params
Date: Wed, 24 Mar 2021 12:37:47 -0700
User-agent: Thunderbird 2.0.0.24 (Windows/20100228)

On 2021/03/23 21:41, Lawrence Velázquez wrote:
On Mar 23, 2021, at 11:43 PM, Eli Schwartz <eschwartz@archlinux.org> wrote:
It's not clear to me, how you expect this to differ from the existing
behavior of "$@" or "${arr[@]}" which already expands to <nothing>
rather than an actual "" parameter.
The original message does recall the behavior of the earliest Bourne
shells [1][2], but that is surely not relevant here, given the use
of ((...)). Right? RIGHT???
----
   Hmmm...Now that I try to show an example, I'm not getting
the same results.  Grrr.  Darn Heizenbugs.

*sigh*




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