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Tue, 26 Apr 2022 18:22:52 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Tue, 26 Apr 2022 18:22:40 -0700 Message-ID: Subject: Re: I can't explain the following To: linuxtechguy@gmail.com Cc: zsh Content-Type: text/plain; charset="UTF-8" X-Seq: 27701 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 Tue, Apr 26, 2022 at 8:51 AM Jim wrote: > > What I can't figure out is why zsh/"less" does what it does. Could someone enlighten me? It's this: > LESSOPEN='|lesspipe %s' > Is there a way of "tracing" what is happening? strace -ff -o tracefile less ... ... and then look through the set of files that are produced. To save you the trouble: execve("/bin/sh", ["sh", "-c", "/bin/zsh -c lesspipe\\ C.gz"], 0x7ffc15c0b800 /* 56 vars */) = 0 Now, why it's running lesspipe with "/bin/zsh -c" instead of with /bin/sh or at least "/bin/zsh -fc" I don't know. The doc for "less" doesn't mention using $SHELL for this case.