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Sun, 27 Sep 2020 19:36:15 -0700 (PDT) MIME-Version: 1.0 References: <1846474183.1100394.1601253063804.ref@mail.yahoo.com> <1846474183.1100394.1601253063804@mail.yahoo.com> <1678353929.1101107.1601254926037@mail.yahoo.com> In-Reply-To: <1678353929.1101107.1601254926037@mail.yahoo.com> From: Bart Schaefer Date: Sun, 27 Sep 2020 19:36:04 -0700 Message-ID: Subject: Re: Bug? piping ls to anonymous function changes subsequent behaviour of ls To: vapnik spaknik Cc: Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 26093 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: Archived-At: On Sun, Sep 27, 2020 at 6:02 PM vapnik spaknik wrote: > > From a new shell: > > which -a ls > ls: aliased to ls --color=auto > /bin/ls > > /bin/ls | () {echo foo} > foo > > /bin/ls > foo > > which /bin/ls > /bin/ls () { > echo foo > } Something else funny is happening here. This is defining /bin/ls as a function with body "echo foo", as if the "|" were not present in the command at all. Try using "set -x" (or "setopt xtrace" if you prefer) before the first attempt to pipe.