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Tue, 09 Nov 2021 14:46:44 -0800 (PST) Received: from localhost (rhea.home.vuxu.org [local]) by rhea.home.vuxu.org (OpenSMTPD) with ESMTPA id 1e521652 for ; Tue, 9 Nov 2021 22:46:43 +0000 (UTC) From: Leah Neukirchen To: zsh-workers@zsh.org Subject: [BUG] Trailing backslash in history file confuses entries Date: Tue, 09 Nov 2021 23:46:43 +0100 Message-ID: <87v911ymjw.fsf@vuxu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Seq: 49558 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: Hi, I noticed this weird behavior: % zsh --version zsh 5.8 (x86_64-unknown-linux-gnu) % zsh -f rhea% SAVEHIST=9000 HISTSIZE=9000 HISTFILE=/tmp/.zsh_history rhea% setopt INC_APPEND_HISTORY EXTENDED_HISTORY rhea% less foo\ # this saves a line with final \ to .zsh_history rhea% echo bar bar rhea% % zsh -f rhea% SAVEHIST=9000 HISTSIZE=9000 HISTFILE=/tmp/.zsh_history rhea% fc -R # load history, same happens without zsh -f by default... rhea% rhea% less foo : 1636497381:0;echo bar % tail -n2 /tmp/.zsh_history : 1636497373:0;less foo\ : 1636497381:0;echo bar As you can see, zsh parses the trailing backslash as a line continuation and assumes the two lines were entered at once (EXTENDED_HISTORY increases the confusion of the user here). I assume some kind of escaping has been forgotten in this case. Thanks, -- Leah Neukirchen https://leahneukirchen.org/