From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jim Porter Newsgroups: gmane.emacs.bugs Subject: bug#59666: 29.0.50; Eshell: comparisons such as {> 3 2} do not work in Eshell context Date: Thu, 1 Dec 2022 17:53:57 -0800 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38929"; mail-complaints-to="usenet@ciao.gmane.io" To: 59666@debbugs.gnu.org, milan.zimmermann@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Dec 02 02:55:15 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p0vGk-0009yA-JP for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 02 Dec 2022 02:55:14 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p0vGa-0001ZL-A6; Thu, 01 Dec 2022 20:55:04 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p0vGY-0001Yz-7P for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2022 20:55:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1p0vGX-0005mf-VD for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2022 20:55:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p0vGX-0004WB-Rp for bug-gnu-emacs@gnu.org; Thu, 01 Dec 2022 20:55:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Jim Porter Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 02 Dec 2022 01:55:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59666 X-GNU-PR-Package: emacs Original-Received: via spool by 59666-submit@debbugs.gnu.org id=B59666.166994605017339 (code B ref 59666); Fri, 02 Dec 2022 01:55:01 +0000 Original-Received: (at 59666) by debbugs.gnu.org; 2 Dec 2022 01:54:10 +0000 Original-Received: from localhost ([127.0.0.1]:43213 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p0vFh-0004Vb-RQ for submit@debbugs.gnu.org; Thu, 01 Dec 2022 20:54:10 -0500 Original-Received: from mail-pj1-f45.google.com ([209.85.216.45]:45054) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p0vFc-0004VE-91 for 59666@debbugs.gnu.org; Thu, 01 Dec 2022 20:54:08 -0500 Original-Received: by mail-pj1-f45.google.com with SMTP id 3-20020a17090a098300b00219041dcbe9so3843824pjo.3 for <59666@debbugs.gnu.org>; Thu, 01 Dec 2022 17:54:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:mime-version:date:message-id:from:to:cc :subject:date:message-id:reply-to; bh=EHQ0pDVLje7T2sEi/SsLF5KWkeqWl3gcbQYzDaQvqyM=; b=N4n2Uyp6TnjNj0uuRnwou1aUpPe1Sls9QwyBA4jI0K3k5oWLe6SL3WfiNGVWyap4lC 3hkfAXdIApg0BkY0mQCJZ6zDPAt8lRZybJkpVvdbSQTW4oPeWwtY4/gII0Vfh/tcSWKO iIOO3P6yq3S1ucs7vMKg1cdCscpFn1m4tGunViaGOTdJe6nZIi+ZDhIXnxX5+zHt7IYK dVxQjOQIFIG6APDWosLrLRKRH9XFHgtoBAeXr6BVaXC1nNYplFLQAbyY9w1PHpbU5rMs rN3MN6Mi4tUOIziFTBmZIDulVFbie9GETvkclzErWgPUpCYXW/NJ4TEaEFjfeCb2/0BP 4SwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=EHQ0pDVLje7T2sEi/SsLF5KWkeqWl3gcbQYzDaQvqyM=; b=EqQ+6MlzBshI4M9PEOD0/9O7O2M7hf9/jbFvlLy11+9IBjX82cZx4B8Y1ROqhdHDzr 51DF02wTOCgovbMIOLNXBV+zF890SeDe2ckejwbNIbTGugxdG3PbpvAi9zZs3c+E0J8B yKwYAmDzHsAhL/GMrcmlh+3MygEvO9JS9ZtP8EWDPrv2U2eQV3ZO5V2E/Dd45s1xZ65l VPThcKJtlqRQe8NIyOoPc+3QbKEtLUfOxuTeC11coR66SWNi5G0+DbwxKbcFshzkZhH2 JAQf+wYCg7UIT21bFBcYdd0ZPL752rPdfY3O8+QLFVoAdZSWSDRLpz5mRleLXBBsVqi0 G+GQ== X-Gm-Message-State: ANoB5plBue0HHdLx8ezZUkp8B9vBm6UnYlvsfyeyaPsKbuCS1+ndhMA5 yoKXtP8CAH7egZnXuWUs/xspKwR6OGk= X-Google-Smtp-Source: AA0mqf7LqVyFPHQSaGRmE1z1ExPPlCgXrF+2Lo2VReL1f1SUex/s/sJLywgxIqCOQDwFKAKG//fVhg== X-Received: by 2002:a17:90a:3da1:b0:219:61e5:4994 with SMTP id i30-20020a17090a3da100b0021961e54994mr11819522pjc.213.1669946038426; Thu, 01 Dec 2022 17:53:58 -0800 (PST) Original-Received: from [192.168.1.2] (cpe-76-168-148-233.socal.res.rr.com. [76.168.148.233]) by smtp.googlemail.com with ESMTPSA id g6-20020a63fa46000000b0046f469a2661sm3124191pgk.27.2022.12.01.17.53.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 01 Dec 2022 17:53:57 -0800 (PST) Content-Language: en-US In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:249687 Archived-At: On 12/1/2022 5:38 PM, Milan Zimmermann wrote: > Would it be reasonable to suggest removing existing functionality as > follows: [snip] > The currently allowed > > 3. {command-call} > 4. (function-call) > > would represent syntax error. > > (3. is outright wrong as it brings silent invalid results) Both 3 and 4 are valid forms, although I think (lisp) and $(lisp) are equivalent. In particular, 3 is important for being able to check the exit status of external programs: ~ $ if {sh -c 'exit 0'} {echo yes} {echo no} yes ~ $ if {sh -c 'exit 1'} {echo yes} {echo no} no ~ $ if ${sh -c 'exit 0'} {echo yes} {echo no} no ;; Wrong! ~ $ if ${sh -c 'exit 1'} {echo yes} {echo no} no I think there's an argument that {lisp-function} should work the same as ${lisp-function}, but only for "regular" Lisp functions (i.e. excluding eshell/FOO ones; since those are designed to imitate external commands, they have different semantics).