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Sun, 22 Jan 2023 18:14:51 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Sun, 22 Jan 2023 18:14:39 -0800 Message-ID: Subject: Re: A way to untie -T vars? To: Roman Perepelitsa Cc: Pier Paolo Grassi , Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 28735 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Sun, Jan 22, 2023 at 1:58 AM Roman Perepelitsa wrote: > > If you wanted to turn this into a library function, you would need to > handle more types. So ... (gmail is probably going to line-wrap this) untie () { emulate -L zsh while ((ARGC)) do () { case ${(tP)1} in (array-tied) set -- $1 "${(@P)1}" unset $1 set -A "$@" ;; (scalar-tied-export) set -- $1 x ;& (scalar-tied) set -- $1 ${(P)1} $2 unset $1 typeset -g$3 $1=$2 ;; (*tied*) print -u2 -r "Can't untie ${(qqq)1}: ${(tP)1}" ;; (*) : "${(qqq)1}: not a tied parameter" ;; esac } $1 shift done } The (*) label is for benefit of xtrace, but it could instead print that message. I couldn't find any other parameter types that needed handling? That's "functions -x2" output, by the way, take it up with PWS if you don't like the placement of the case labels/delimiters.