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Thu, 09 Jun 2022 08:19:55 -0700 (PDT) MIME-Version: 1.0 References: <1148576327.671240.1654595869665@mail2.virginmedia.com> <1500085568.729173.1654764913871@mail2.virginmedia.com> In-Reply-To: <1500085568.729173.1654764913871@mail2.virginmedia.com> From: Bart Schaefer Date: Thu, 9 Jun 2022 08:19:44 -0700 Message-ID: Subject: Re: "functions -c" and TRAPxxx To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 50358 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: On Thu, Jun 9, 2022 at 1:56 AM Peter Stephenson wrote: > > Looks like the only way for settrap to fail is using a signal number > that's not handled interactively. % trapper() { print $0 } % for t in $(kill -l) for> do functions -c trapper TRAP$t || echo cannot $t for> done % So as far as I can tell it's not possible for settrap() to fail (on ubuntu, anyway) if getsignum() succeeds. Some of those traps are ignored (STOP, KILL) but you can set them anyway.