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Sat, 04 Sep 2021 19:08:18 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Sat, 4 Sep 2021 19:08:07 -0700 Message-ID: Subject: Re: Accessing the evaluated expression which caused an error To: Zach Riggle Cc: Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 27087 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 Sat, Sep 4, 2021 at 5:27 PM Zach Riggle wrote: > > Will the (e) actually evaluate the parameters and execute them again? Or just a single layer of expansion? Well ... it only does a single layer, but the string value of ZSH_DEBUG_CMD is not itself specially quoted, so you only want to apply (e) to cases like "${cmd[@]}" where you've deliberately added an extra layer of quoting and want to peek inside it. Then of course you probably want to put the quoting back again ... I guess it ends up something like: TRAPDEBUG() { if function { setopt localoptions extendedglob [[ $ZSH_DEBUG_CMD = \"[^\"](#c1,)\" ]] } then ZSH_DEBUG_CMD=${(@q-)${(z)${(e)${(Q)ZSH_DEBUG_CMD}}}} fi print -r -- $ZSH_DEBUG_CMD }