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Mon, 28 Sep 2020 10:02:16 -0700 (PDT) MIME-Version: 1.0 References: <20200928153930.GA2332142@lilyforest.localdomain> <19322492.131386.1601311622569@mail2.virginmedia.com> <198519070.131537.1601311876085@mail2.virginmedia.com> In-Reply-To: <198519070.131537.1601311876085@mail2.virginmedia.com> From: Roman Perepelitsa Date: Mon, 28 Sep 2020 19:02:06 +0200 Message-ID: Subject: Re: bad math expression error inside _pick_variant when running insert-all-matches for ls To: Peter Stephenson Cc: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 47409 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: Archived-At: On Mon, Sep 28, 2020 at 6:51 PM Peter Stephenson wrote: > > -elif (( $precommands[(I)builtin] )); then > +elif (( ${precommands[(I)builtin]:-0} )); then Doesn't $precommands[(I)builtin] always expand to an integer (as long as precommands is an array)? In which case can it expand to null? Roman.