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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: trap question Content-language: en-US To: zsh-users@zsh.org References: From: Ray Andrews In-reply-to: Content-type: text/plain; charset=UTF-8; format=flowed Content-transfer-encoding: 8bit X-Seq: 28429 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 2022-11-25 10:57, Roman Perepelitsa wrote: > Try replacing this: > trap " [[ $var == '0' ]] && echo trap: var is: $var" EXIT > > with this: > > trap ' [[ $var == 0 ]] && echo trap: var is: $var' EXIT > Bullseye.  And I understand it I think.  Double quotes evaluated when parsed, single quotes kept as literal until trap is sprung, yes?  It wouldn't have occurred to me since I'd have expected the '$var' to remain un-expandable within single quotes.  Is this an exception or somehow to be viewed as routine?  BTW, will this trap catch exiting errors or just proper returns?  I know it doesn't catch ^C.