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Sat, 23 Jan 2021 14:33:04 -0500 (EST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.17\)) Subject: Re: `repeat` with special characters - "bad math expression: illegal character" From: =?utf-8?Q?Lawrence_Vel=C3=A1zquez?= In-Reply-To: <010201773071544b-42b5de91-3fc9-411d-9f9c-ffb0f1a260e8-000000@eu-west-1.amazonses.com> Date: Sat, 23 Jan 2021 14:33:02 -0500 Cc: zsh-workers@zsh.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <010201773071544b-42b5de91-3fc9-411d-9f9c-ffb0f1a260e8-000000@eu-west-1.amazonses.com> To: Patrick Reader <_@pxeger.com> X-Mailer: Apple Mail (2.3445.104.17) X-Seq: 47862 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 Jan 23, 2021, at 1:11 PM, Patrick Reader <_@pxeger.com> wrote: >=20 > Hi, >=20 > When I use the `repeat` complex command with an arithmetic expression = containing one of the following special characters: >=20 > * =3D ^ ? >=20 > I get an error message in the form "zsh: bad math expression: illegal = character: \M-X". The "X" is replaced by one of G M F W (corresponding = to the symbols above). This doesn't happen if I wrap the character in = single or double quotes, or escape it with a backslash. It still happens = with even the options `noglob`, `noequals`, `nomagicequalsubst` which I = thought might be causing them to be misinterpreted. >=20 > Why does this happen? Could you provide an example? vq=