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To: Marc Chantreux , zsh-users@zsh.org References: <1154b0e1-e5ad-70be-f620-1368c86f12ed@rayninfo.co.uk> From: zzapper Message-ID: <4e916390-adc1-0725-ae11-c8ac6ef976df@rayninfo.co.uk> Date: Wed, 21 Apr 2021 09:46:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Mailcore-Auth: 8308408 X-Mailcore-Domain: 840527 X-122-reg-Authenticated: 8308408 X-Originating-IP: 95.150.51.97 X-CMAE-Envelope: MS4xfCo3+gGq3J7DF46AsK9sPfhMPcxrPPk6sl3VQ8t5dukMtKK05yP6lJFB8FcbNU6JEBgMgBKhBBar1jeplqLij9tPu5PFXTvqVXrgQ8o52dUY+OxsZSgM 4lPxa38X1Ma3JnkaqMByZZrZCXQpD4mlFrVJYgZqy4SRIwXXezGz4YfuTf3ta8wwwrThqEIAhP4WFg== X-Seq: 26691 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 20/04/2021 16:19, Marc Chantreux wrote: > > not appear at the very begin of an expression but all the rest is ok. > > meaning those are correct > > if (( $1 == 4 )) { echo good } else { echo bad } > > if (( $1 == 4 )) { > echo good > } else { > echo bad > } > > this is not > > if (( $1 == 4 )) { > echo good > } > else { > echo bad > } This is very helpful & clarifies. I 'd forgotten that shells are more strict in their response to 'white space' than programming languages . While playing golf I've noticed that the  'else' clause is particularly intolerant it needs '} else {'