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Sun, 23 Oct 2022 15:21:25 -0700 (PDT) MIME-Version: 1.0 References: <80a69953-a19c-f5c3-17fb-747633527712@eastlink.ca> In-Reply-To: <80a69953-a19c-f5c3-17fb-747633527712@eastlink.ca> From: Roman Perepelitsa Date: Mon, 24 Oct 2022 00:21:13 +0200 Message-ID: Subject: Re: stty size doesn't work To: Ray Andrews Cc: Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 28260 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, Oct 23, 2022 at 10:47 PM Ray Andrews wrote: > > I doubt this is zsh's problem but she may have a solution just the same. I do this in my 'i' function: > > width=${=$( stty size )[2]} > > ... and it works fine, however if I call the function thusly: > > _function_test () > { > local integer i=0 > while read aa; do > let i++ > eval ${=aa} 2> /dev/null > done > } > > $ _function_test <<< "i path" > > ... 'width' is zero. `stty size` needs the TTY as stdin. When you are invoking it from _function_test, stdin is not a TTY. Use $COLUMNS instead. There is also $LINES if you need height. width=$COLUMNS Roman.