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Mon, 20 Dec 2021 13:23:24 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.5.0-alpha0-4524-g5e5d2efdba-fm-20211214.001-g5e5d2efd Mime-Version: 1.0 Message-Id: In-Reply-To: References: Date: Mon, 20 Dec 2021 18:23:03 +0000 From: "Daniel Shahaf" To: "Simon Chatterjee" Cc: "Zsh Users" , "Roman Perepelitsa" Subject: Re: Possible bug in 5.8 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Seq: 27425 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: Roman Perepelitsa wrote on Mon, 20 Dec 2021 13:28 +00:00: > On Mon, Dec 20, 2021 at 2:18 PM Simon Chatterjee wrot= e: >> >> Zsh 5.8 seems to have a problem with the variable =E2=80=98i=E2=80=99= , in a =E2=80=98for =E2=80=A6 in=E2=80=99 >> loop, where an item being iterated over starts with a =E2=80=98/=E2=80= =98: >> >> % zsh --version >> zsh 5.8 (x86_64-pc-linux-gnu) >> % for p in /; do echo $p; done >> / >> % for i in /; do echo $i; done >> zsh: bad math expression: operand expected at `/=E2=80=98 > > Works fine for me: > > % docker run --rm zshusers/zsh:5.8 zsh -c 'for i in /; do echo $i; d= one' > / > > Try reproducing this from `zsh -f`. If you cannot, run `typeset -p i` > in your shell. You'll probably see that it's defined. Since `zsh -f` > doesn't have this parameter, it must be defined in rc files. So, run =C2=ABzsh -x=C2=BB and look for =C2=ABi=C2=BB in the trace outpu= t (as a whole word). You could try your luck with =C2=ABzsh -o WARN_CREATE_GLOBAL=C2=BB. It = won't help if someone _deliberately_ made =C2=ABi=C2=BB global, but it would catch = implicit creations of a global integer parameter (e.g., in arithmetic contexts). The way to report bug is to post them to this list.