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Mon, 23 Aug 2021 09:42:24 -0700 (PDT) MIME-Version: 1.0 From: Zach Riggle Date: Mon, 23 Aug 2021 11:42:13 -0500 Message-ID: Subject: Prevent a specific function from being xtrace'd To: Zsh Users Content-Type: multipart/alternative; boundary="000000000000a9acbf05ca3cb39c" X-Seq: 26967 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: --000000000000a9acbf05ca3cb39c Content-Type: text/plain; charset="UTF-8" Hello all! ~~ TL; DR ~~ Is there any way to mark or annotate a function such that its internals should not be traced, even if "set -x" or "zsh -x" is used? ~~ Research ~~ I've got a handful of functions that get loaded into each script via "source" or (more frequently) "autoload". In order for the contents of these functions to not pollute the xtrace output, I set the first line of each function to do "set +x" which prevents further tracing. However, the "set +x" itself shows up in the xtrace. Chapter 9 (functions) doesn't mention anything about tracing at all. Chapter 16 (options) mentions a few related things, notably SOURCE_TRACE, VERBOSE, and XTRACE, but doesn't have anything like that. Chapter 17 (builtins) discusses the "functions" builtin and some of the options that are available to it. None of these look relevant. ~~ Misc Notes ~~ I've created a small script[1] that somewhat achieves this effect, with TRAPDEBUG and ZSH_DEBUG_COMMAND -- using funcfiletrace to simply not print any of the lines that come from the file that contains the do-not-want-traced functions -- but I expect there is something simpler. It's similar to xtrace / verbose, but only prints the first line of each statement executed. [1]: https://gist.github.com/zachriggle/eedbfebee870bf66bfafcc2f78b2da78 *Zach Riggle* --000000000000a9acbf05ca3cb39c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello all!

~~ TL; DR ~~
Is ther= e any way to mark or annotate a function such that its internals should not= be traced, even if "set -x" or "zsh -x" is used?
=

~~ Research ~~
I've got a handful o= f functions that get loaded into each script via "source" or (mor= e frequently) "autoload".

In order for t= he contents of these functions to not pollute=C2=A0the xtrace output, I set= the first line of each function to do "set=C2=A0+x" which preven= ts further tracing.=C2=A0 However, the "set=C2=A0+x" itself shows= up in the xtrace.

Chapter 9 (functions) doesn'= ;t mention anything about tracing at all.

Chapter = 16 (options) mentions a few related things, notably SOURCE_TRACE, VERBOSE, = and XTRACE, but doesn't have anything like that.

Chapter 17 (builtins) discusses the "functions" builtin and so= me of the options that are available to it.=C2=A0 None of these look releva= nt.

~~ Misc Notes ~~
I've creat= ed a small script[1] that somewhat achieves this effect, with TRAPDEBUG and= ZSH_DEBUG_COMMAND -- using=C2=A0funcfiletrace to simply not print any of t= he lines that come from the file that contains the do-not-want-traced funct= ions -- but I expect there is something simpler.=C2=A0 It's similar to = xtrace / verbose, but only prints the first line of each statement executed= .


Zach Riggle
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