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Wed, 11 Nov 2020 09:02:52 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Roman Perepelitsa Date: Wed, 11 Nov 2020 18:02:40 +0100 Message-ID: Subject: Re: Bug with unset variables To: Felipe Contreras Cc: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 47535 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: Archived-At: On Wed, Nov 11, 2020 at 5:56 PM Felipe Contreras wrote: > > If I actually do something on the foo() function: > > typeset var > [[ -n "$1" ]] && var=$1 > echo "var: '${var-other}'" > > I would expect two things: 1) var is not set when I exit the function, > and 2) var is not set until I specifically set it. > > I can get both in ksh and bash, but not in zsh. In zsh I have to > choose either 1) with typeset, or 2) by removing typeset. > > How do you suggest I get both in zsh? Add `unset var` right after `typeset var`. Roman.