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From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: A way to untie -T vars?
Date: Sat, 21 Jan 2023 20:15:07 +0100	[thread overview]
Message-ID: <CAN=4vMpo9i5qr-HmH2ymaxaJ6hQLg-gThZkSRJvafUEp1oN0ag@mail.gmail.com> (raw)
In-Reply-To: <CAH+w=7a1RHjYSGnY2=dgZn9n1ZgC2PyJQ12imiDU4gLW4q4saA@mail.gmail.com>

On Sat, Jan 21, 2023 at 7:53 PM Bart Schaefer <schaefer@brasslantern.com> wrote:
>
> Speaking of unorthodoxy ...
>
> untie () {
>   emulate -L zsh
>   case ${(tP)1} in
>   (scalar-tied)
>     local scalar=${(P)1}
>     unset $1
>     typeset -g $1=$scalar
>     ;;
>   (array-tied)
>     local array=( ${(P)1} )
>     unset $1
>     # Need eval here for array assignment, as
>     # reserved word doesn't work with $1=(...)
>     eval "typeset -ga $1=( \$array )"
>     ;;
>   (*) ;;
>   esac
> }

Bravo.

`untie scalar` and `untie array` won't work due to name clashes but
this seems easily fixable.

Roman.


  reply	other threads:[~2023-01-21 19:16 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-21 16:37 Sebastian Gniazdowski
2023-01-21 16:55 ` Bart Schaefer
2023-01-21 17:11   ` Bart Schaefer
2023-01-21 18:52     ` Bart Schaefer
2023-01-21 19:15       ` Roman Perepelitsa [this message]
2023-01-22  9:34         ` Pier Paolo Grassi
2023-01-22  9:58           ` Roman Perepelitsa
2023-01-23  2:14             ` Bart Schaefer
2023-01-23  9:47               ` Roman Perepelitsa
2023-01-23 18:27                 ` Bart Schaefer
2023-01-23 18:42                   ` Mikael Magnusson
2023-01-23 18:43                     ` Mikael Magnusson
2023-01-23 19:12                     ` Bart Schaefer
2023-01-24  5:45                   ` Bart Schaefer
2023-01-24  9:56                     ` Roman Perepelitsa
2023-01-24 16:42                       ` Bart Schaefer
2023-01-24 16:45                         ` Peter Stephenson
2023-01-24 17:40                           ` Bart Schaefer
2023-01-24 17:54                             ` Roman Perepelitsa
2023-01-24 22:54                               ` Bart Schaefer
2023-01-25 14:41                                 ` Roman Perepelitsa
2023-01-25 22:39                                   ` Bart Schaefer
2023-01-25 23:48                                     ` Bart Schaefer
2023-01-26  2:34                                       ` Bart Schaefer
2023-01-21 17:15   ` Roman Perepelitsa
2023-01-21 17:23     ` Bart Schaefer
2023-01-21 17:31 ` Bart Schaefer
2023-01-21 17:48   ` Roman Perepelitsa
2023-01-21 17:50     ` Bart Schaefer

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