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Re: idea about negative indexed array keys


From: Alex fxmbsw7 Ratchev
Subject: Re: idea about negative indexed array keys
Date: Fri, 12 Mar 2021 23:15:02 +0100

hmm ! im sorry
it was in my memory from two three days ago
im sorry :(( :)

On Fri, Mar 12, 2021 at 11:11 PM Eli Schwartz <eschwartz@archlinux.org>
wrote:

> On 3/12/21 4:58 PM, Alex fxmbsw7 Ratchev wrote:
> > i saw, ${arr[-1]} == syntax error
> >
> > what about implenting it, -0 is the last -1 is the second last etc
> >
> > such negative values are already in ${..:<>:<>} implented, as a good
> small
> > statement for the same style
>
> How did you accomplish the task of getting a syntax error for this? I
> managed it with:
>
> $ declare arr=(foo bar baz "syntax error")
> $ echo "${arr[-1]}"; echo "${arr[-2]}"
> syntax error
> baz
>
> --
> Eli Schwartz
> Arch Linux Bug Wrangler and Trusted User
>
>


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