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=-7.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 29550 invoked from network); 11 Oct 2022 01:28:03 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 11 Oct 2022 01:28:03 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20210803; t=1665451683; b=avT16qB3BprnRpXmLMNnENb8AFYMgAEEJHinV1l5ZksgwXz4CB5mDwvXN7temaBYkbTf69J/9G 7a2tBiX/oR4E+A9dHygOpiKFkskVPjq/2O3hpr57kbUQ0xroQ0thJ+QNEe/qErodPws0LwnnXO 1Au6WMKhxIXJWDYqYb/anwCyXLAUH1dh7pTN250OrWH5x2oKOFbh8G5fI09JIBIyzDwOHxduLC bw7NabN0QCHff2ANdbVeGe6k44VYI7TOdQMA4rhuhoQEC9pekDX7uT2CpU9HzfA7QwpVSlH1o/ OZ8WSWdZZrs9CoGnuDMgjVM7icjVCJrURlm1jxlb/+TlTg==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (iris.zentaur.org) smtp.remote-ip=198.58.127.206; dkim=pass header.d=zentaur.org header.s=dkim20200120 header.a=rsa-sha256; dmarc=pass header.from=zentaur.org; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20210803; t=1665451683; bh=1OTfWnApVZpdQAjlfi9Hq9SjTA6B0ZrBrFD5MKvxVdI=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:To:Subject:MIME-Version:Date:Message-ID:DKIM-Signature: DKIM-Signature; b=CiqHSUgCp5uZI7zJWyC4qIO1bSN3pNZwC0VhKhRUZZMiFnHNnhKgNW1QvunOHIXnozL5aeAYpT u1auqgDiSLmFtV6bk/nkCLr68tZNwNsk0l8GokcG5aqXIkmkue0ZcpZvcsRCqFGc753X3+epqs nQ1vTZQ8Hevyhml5rSFwaYy2t2WVyO6oZL3WYv64G0N4iy0telftVk6cTB4XV3w+IU2m3LEHEW fgrzdYg0VjM5Z8G0hQY2rxpMAVkpaANdsYrV5l4BxGbFV2ELmwW3+Mgsa7fHStyTLqNommbJjw Oqka5TZcbBjwYOui9pgRoHA9QXQPNqK/L67hWfr0iXfPwA==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20210803; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=Wb1H256W57uYU5VE5uBt6tdjamhQD+RVvytHkaqiPXU=; b=doiFgJszXHkVkeobcNURDo8/7l 7tI1ClG/bK7Fbpy6LtOtY/tpIirYi5Dv9UcAzhyXN02vsG9Tp5TMz267cTYRE0kniVzL1zVGOAVRO qGLYNgKw8ZviTgbZEOEOFos1FRNPMTgq5qeXTrndlbAlyzgUug153oVLEeXhhdcDaEMX8Ser782AF wDV1dmGi4BKT7MPVy9RFCvH9Pay7EW5n0/Iazx+5q6hr3LhqbqClq5rI6wZBA0r0NFR73MskO4ksD v0d1pYtbFnbeW02+PAc6xAxbwe3O5ycL5Rxle9chxm/HZkJiH+4NWT4EmPfu9qhJiaMlvtmYMKOVB su4fDJVw==; Received: by zero.zsh.org with local id 1oi43v-000HDS-En; Tue, 11 Oct 2022 01:28:03 +0000 Authentication-Results: zsh.org; iprev=pass (iris.zentaur.org) smtp.remote-ip=198.58.127.206; dkim=pass header.d=zentaur.org header.s=dkim20200120 header.a=rsa-sha256; dmarc=pass header.from=zentaur.org; arc=none Received: from iris.zentaur.org ([198.58.127.206]:39906) by zero.zsh.org with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) id 1oi43f-000GrU-CN; Tue, 11 Oct 2022 01:27:48 +0000 Received: from iris.zentaur.org (localhost [127.0.0.1]) by iris.zentaur.org (Postfix) with ESMTP id 4MmdSf2sc0z3wZj for ; Tue, 11 Oct 2022 01:27:46 +0000 (UTC) Authentication-Results: iris.zentaur.org (amavisd-new); dkim=pass (2048-bit key) reason="pass (just generated, assumed good)" header.d=zentaur.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=zentaur.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:references:to:content-language:subject:subject :user-agent:mime-version:date:date:message-id; s=dkim20200120; t=1665451665; x=1665455266; bh=1OTfWnApVZpdQAjlfi9Hq9SjTA6B0ZrB rFD5MKvxVdI=; b=iwcqNBdGN2k/J4x1JgB/daOds1fPctIyMjrXBiWXnCTgAGAo UCIWjCw30Kw4uAUvojAT6GoFVaQAtv0NPWfVFt+bELf2krabLRwTRMVhutDmbvjq qo5n4crjOnGA5mTURltPQ9noXhJgQCRM7oXNVT7U7LtbblLo4lhrjz8xdYo0H3Vd DNxfJeeuQdJU/4yquUAcLLWBsKLm7CLwRlZfp6ULlYOjAwd2zr0FyMc7n6xjy//J ef20aiD/H5u70Uf0nwq6HxDxqvdqciknVlsKmRMz0satz6HCstk8AwoFbiz34XX7 LwZsKP9xtbcKAQ5gyY/CpgfJnXJ4GFLADS2djg== X-Virus-Scanned: amavisd-new at iris.zentaur.org Received: from iris.zentaur.org ([127.0.0.1]) by iris.zentaur.org (iris.zentaur.org [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id sGCKTF07_rit for ; Tue, 11 Oct 2022 01:27:45 +0000 (UTC) Received: from [192.168.72.136] (unknown [136.50.213.220]) by iris.zentaur.org (Postfix) with ESMTPSA id 4MmdSd6Rjbz3wZb for ; Tue, 11 Oct 2022 01:27:45 +0000 (UTC) Message-ID: Date: Mon, 10 Oct 2022 20:27:45 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.2 Subject: Re: use of rand() in zsh Content-Language: en-US To: "zsh-workers@zsh.org" References: From: Clinton Bunch In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed X-Antivirus: Avast (VPS 221010-10, 10/10/2022), Outbound message X-Antivirus-Status: Clean Content-Transfer-Encoding: quoted-printable X-Seq: 50773 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: On 10/10/2022 8:14 PM, Bart Schaefer wrote: > On Mon, Oct 10, 2022 at 4:38 PM Clinton Bunch wro= te: >> Is there a reason that zsh goes out of the way (srand_deterministic) t= o >> use the least random "random" function on modern Unix? > The values of RANDOM form an intentionally-repeatable pseudo-rand= om > sequence; subshells that reference RANDOM will result in identica= l > pseudo-random values unless the value of RANDOM is referenced or > seeded in the parent shell in between subshell invocations. > > This is e.g. so you aren't surprised by referencing $RANDOM inside > $(...) and getting a different result. Well, I guess that explains why it uses rand, but doesn't really explain=20 to me why you'd *want* this behavior.=C2=A0 I would expect to get a diffe= rent=20 value in a subshell than I got in the parent shell.=C2=A0 I'm supposedly=20 looking for random numbers. =C2=A0I guess I side with OpenBSD who changed the default behavior of ra= nd().