From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from primenet.com.au (ns1.primenet.com.au [203.24.36.2]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 213e0510 for ; Mon, 19 Nov 2018 08:05:36 +0000 (UTC) Received: (qmail 28140 invoked by alias); 19 Nov 2018 08:05:22 -0000 Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Workers List List-Post: List-Help: List-Unsubscribe: X-Seq: 43832 Received: (qmail 4232 invoked by uid 1010); 19 Nov 2018 08:05:22 -0000 X-Qmail-Scanner-Diagnostics: from mail-wr1-f47.google.com by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.100.2/25112. spamassassin: 3.4.2. Clear:RC:0(209.85.221.47):SA:0(-2.0/5.0):. Processed in 2.110351 secs); 19 Nov 2018 08:05:22 -0000 X-Envelope-From: in4mer@gmail.com X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=t8865rGZ3GBSz6oJw6bcBTpBimwMRgvVs5mwI1ZCFg8=; b=uiPEhS1hSvF6Jg/d7LBgDBjXMGAT5LSvZ59lI6gALP1NBlsD6F/ryw3N1R8R8KpLMp VVMrDFIqadBc14x/wkWcIrI9k96jsYdgTLQO0H/DBaRIDpSR+zj/JveyDfJu/oSsi+AR X7Q6LL2fs9buh95vpqy+jHmawwfXJW2ZH5tGlsAja4j9JboAMSzo5pqDXo6MeSEFfHMh UtgOrg44xltg9Q7SO/uDEjqwadS5SKeVQi3XwOqCHihfCzywDm/3FqqC6CxE4qhwXrcP nQFoEGKhE4U4C5s2AmhM1kLPxX3gtb/GW+9VSVj+A8lBINTAyAr/mk9sq7x19tNtTU3/ Ym4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=t8865rGZ3GBSz6oJw6bcBTpBimwMRgvVs5mwI1ZCFg8=; b=MyM/4mif72I8an/LUDvJBnuJUuxWbgnyilRR+0YaJtpeiZBhW04OI/JvkbpaXstYUf bEzENRpqAgCo6p4ag9hDXzGpM/FF6lx40prs2GKM9lFMdqrpqLqjV4+LorNVmgi1Jhv8 lpdYh03TxLSTbOar29JkqMSav6+cFWmNa0D8GYizTojF4pCLP9LBR4rSUan3Sixme/1y roJy+AEPi5xfeaRAPuyrmK0MtFn6odcMn7sMZ+ziMXhFme3Od0fJN3biUXXCY/DXTcQI f5Fk8iO2xFa9pqsnMnm81OzSiHj3cLIf3D3bNbAVW2uEDEn+k2rVPEtPDkDGYiVQz52e Kv/g== X-Gm-Message-State: AGRZ1gJzoTo5LjMa6h/bZWSst4VUDMFxT36WyHkQLUx4AxObTpOWpuUk zW7oiEZOO7c4YOe/Pu5lTHuvbwZk5RlTy8aqUTVUAj30 X-Google-Smtp-Source: AJdET5fOeZtl3DFuuyjqR32mhqQVhMOxzS4tbAiY4L2DuexnYM8xkbDoI0L3n0oiikjGziPInO43uShE8RMBnzrwZEU= X-Received: by 2002:a5d:634f:: with SMTP id b15-v6mr17251858wrw.14.1542614715185; Mon, 19 Nov 2018 00:05:15 -0800 (PST) MIME-Version: 1.0 From: Ian F Date: Mon, 19 Nov 2018 00:04:47 -0800 Message-ID: Subject: A strange quoted nested evaluation issue To: zsh-workers@zsh.org Content-Type: multipart/alternative; boundary="0000000000001fbe05057afffa09" --0000000000001fbe05057afffa09 Content-Type: text/plain; charset="UTF-8" Hi, Can anyone shed some light On This One? tl;dr: Enclosing a nested length eval on an empty var changes its answer from 0 to 1 when in double quotes. % for baz in "" "inga"; do echo ${#${baz}} "${#${baz}}" ${#baz} "${#baz}" done 0 1 0 0 4 4 4 4 % Normally I wouldn't mail the list about this kind of thing, but this one's just too weird. Thoughts? %Ian - Ian F plus one, seven oh seven, seven three seven, four twenty-one zero. Big hitter, the Lama. --0000000000001fbe05057afffa09--