From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,RDNS_NONE,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.4 Received: from authenticated user by zero.zsh.org with local id 1kilNV-00009v-LL; Fri, 27 Nov 2020 21:34:05 +0000 Authentication-Results: zsh.org; iprev=pass (mail-ot1-f47.google.com) smtp.remote-ip=209.85.210.47; dkim=pass header.d=brasslantern-com.20150623.gappssmtp.com header.s=20150623 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none Received: from mail-ot1-f47.google.com ([209.85.210.47]:36136) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_128_GCM_SHA256:128) id 1kilNA-000Pup-2X; Fri, 27 Nov 2020 21:33:45 +0000 Received: by mail-ot1-f47.google.com with SMTP id y24so5826108otk.3 for ; Fri, 27 Nov 2020 13:33:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=d7JeoUeSq10Xf2LNFrQjVtJO3VH9XjoDvCzivQw7qGg=; b=e/iSkig3D/b9QICBYfiEBzPg6rAYBAebv28PpIht6UOkVsXOIaFbHxo5OKWWORbEdU pPxNkC5Vj1Lx+vUeQsl+l+Bzw9z9WAMN6ujaNQLS328RqgEf+WomDCGbNbgGB2HvPY/g xfLpsZLnjmMGGT0rcQxNO62CAda29YKvGwWirmQerjMecEkIbGp5/ARgzYIZYEqxhGFf LHN4m05BlO2HlbAH4EVg2A+D8EledKdjhKKAstUob9NBS4gxf4jfJ9kZC4MSUT++EC4r 6tusTQJk4iB6wpfNyknlfosBgRdOPvGIXnC8BHBhpOhXC6nGszb1e3Xoc+kZJXQt87sn 7ESw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=d7JeoUeSq10Xf2LNFrQjVtJO3VH9XjoDvCzivQw7qGg=; b=LA3B+k9sgD26stDRVa+zgT4bhfSGVWWL5orJIzJK9KwuO4whJQ2fwdi4uRtmS1TxFE 5eeP9U/XKsNv4dQawEUKc1INvRKIIK/PJRslghNS+ywxP+R+V7ty2tORBiJuk3LL2fKb OtGYGJfP/5c7KeDAtOYyk3zgLG3O3seOE1J7U2V2NfPYsWmKzopNHZb7IMfCCN4Z/vKx y0xMBX//nb6kCPGP+TsLBQ1ooNcWR96iTkdV5TptaqKU4/afoVR8PqbaMpodSJwkXFtD Ta+BBDDymqGL34KE46A8CDRGHQjiZN6s4nA88GRR4IGhmPq5PYmq7lTlxsrvFQHzrfAF +ElA== X-Gm-Message-State: AOAM530r4JI3qrLJ00PNUeJlHfoBDaTVcrPEE7kqG1KPSomahXF82veq bgUpNnU7c8eSpusLersCZnndKpFZyDUcd12g2XlJDQ== X-Google-Smtp-Source: ABdhPJwcCYtlAdSZoixgsRwnG+PBi2hh8yhMd707y4Z4M5Q8vKBrBeXY/wGHgywdCrfzwTNK0rfq6zKDEI+5R6cslPc= X-Received: by 2002:a9d:470c:: with SMTP id a12mr7650022otf.161.1606512822884; Fri, 27 Nov 2020 13:33:42 -0800 (PST) MIME-Version: 1.0 References: <20201127154439.GC26720@tarpaulin.shahaf.local2> <3246311e-c4b2-48f3-8baa-d271591f0029@www.fastmail.com> In-Reply-To: <3246311e-c4b2-48f3-8baa-d271591f0029@www.fastmail.com> From: Bart Schaefer Date: Fri, 27 Nov 2020 13:33:31 -0800 Message-ID: Subject: Re: Bug with unset variables To: Daniel Shahaf Cc: Felipe Contreras , Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 47676 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 Fri, Nov 27, 2020 at 1:00 PM Daniel Shahaf wrote: > > What two ways? 1) makes var a local name 2) changes the result of ${var-other}