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bh=jaJsABQQ2F7f2wS5qNbOiUHs942f4PZGrUwfdQ5A21k=; b=b9WjfMNp/h79gZt0KdEeqzMLZHksLscpfbFr/+qCLHBshGp66b0XokiSQYGLkFAjWT Pp36KF2yaeFKUAti77uN4Ph6jLSkRftRgE0AyQQ6lOOhAvVEGGyIhQP3kyHSXHq5ngGz 6pgLUQC2b1Z1+tpqhvIVsDD7KhcMbqziPTRr43R8/uMLJ1uP+yItIcD55r1vUVhTvVfD yaZKJIxeVE50ntD9MjmMHf/JLXd/UcKZVXhYZIqW+4OgiNhGN3yCu/2vmS9tdBQbXe3J dtOeMpOSJmA+NyaXPul4lOoKOSzI54ZIAMIE4h2pD8WBLH7djsKFfIfOpQEOtrZ53RhZ eVmA== X-Gm-Message-State: AOJu0Yw5QvhFnGCTC+HaZIkn9HQNXhbsdpXlEE3KveG2cJHH97sz6oSG 8nqpeOu80SQGii2IGe84kBlJGNMfjyCRt2QJy+Rb34OW7Qt+nI5yo4GLtvtrjk4nx6ENB5MAOVG dGApHw7y+5iFXNDPbhQyCGpfeZqBjtZnYHACY6PLZWIVVytKQKP5v X-Google-Smtp-Source: AGHT+IGvkA4f8ZsJOjnfOq18K/zK9aIae9uoVaSNNZcQwg6MjM8p3ofnk6tsWGrfsIDBMAASQmG1wSCcEr1IUJiv4qo= X-Received: by 2002:a17:906:a048:b0:a52:2c0e:2e91 with SMTP id bg8-20020a170906a04800b00a522c0e2e91mr4807394ejb.17.1713070677802; Sat, 13 Apr 2024 21:57:57 -0700 (PDT) MIME-Version: 1.0 References: <97793422-1543-4ba6-b52b-ff93eba03ab1@eastlink.ca> <7ba17739-6024-439b-a4a7-dd88fddfa2e4@eastlink.ca> <7333cf23-1fe7-4b3d-a7c1-f07697c5f062@eastlink.ca> <1e53a3f7-9bdb-45ae-81c7-7d0ec1a6a541@app.fastmail.com> <3cc19e86-e953-4e2f-9e57-30ff84f15fdf@eastlink.ca> <0a0b9ec3-4661-4386-9fbf-b3152a46001e@eastlink.ca> <9416dc0a-3e41-4229-a9e1-239411ab3c17@eastlink.ca> <4a1e027c-a9d8-4306-bf3b-e1282914644c@app.fastmail.com> In-Reply-To: <4a1e027c-a9d8-4306-bf3b-e1282914644c@app.fastmail.com> From: Bart Schaefer Date: Sat, 13 Apr 2024 21:57:45 -0700 Message-ID: Subject: Re: triviality regarding $# counts To: zsh-users@zsh.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 29817 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, Apr 13, 2024 at 8:49=E2=80=AFPM Lawrence Vel=C3=A1zquez wrote: > > In a sense, you've been using it all along. Given an array "arr", > $arr is the same as $arr[*] (by default), which is why double-quoting > it produces a single word. This puts me in mind of a couple of other details. Because zsh does not split parameter expansions by default, $ary and $ary[*] and $ary[@] are equivalent when not quoted, as Lawrence demonstrated. However, in all three of those cases, empty elements are typically discarded, as they would be in a shell that defaults to splitting. That's why "$ary[@]" is still useful: It quotes each element individually, so empty elements are preserved. (Aside, in bash and ksh, $ary is equivalent to ${ary[0]}, not to ${ary[*]}. A little oddly, this is also true for their associative arrays, that is, the value for key 0 is used.)