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Wed, 20 Apr 2022 16:56:06 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Wed, 20 Apr 2022 16:55:54 -0700 Message-ID: Subject: Re: TRAPDEBUG vs zsh -x To: Zach Riggle Cc: Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 27680 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 Wed, Apr 20, 2022 at 12:46 PM Zach Riggle wrote: > > When using "zsh -x", we see all of the lines after they've been fully evaluated, but there's no way to add syntax highlighting sugar to these lines. If you have a colorizing program that you want to use, you can do # Silly example of colorizing alias colorizing="grep --color '[A-Z]'" exec 2>>(colorizing) and the xtrace output will go through that. > Are there any TRAPXXX functions which are passed the same text as "zsh -x" will emit (sans the $PS4 expansion). No, there aren't. You could play around with variations on this hack: unsetopt DEBUG_BEFORE_CMD PS4= emulate zsh +x -c 'exec {stderr}>&2 preexec() { integer in_preexec=1 exec 2>>(colorizing) } TRAPDEBUG() { ((in_preexec)) || exec 2>>$stderr }'