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=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 e8c11f1e for ; Fri, 6 Sep 2019 15:17:37 +0000 (UTC) Received: (qmail 15417 invoked by alias); 6 Sep 2019 15:17:30 -0000 Mailing-List: contact zsh-users-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Users List List-Post: List-Help: List-Unsubscribe: X-Seq: 24220 Received: (qmail 23484 invoked by uid 1010); 6 Sep 2019 15:17:30 -0000 X-Qmail-Scanner-Diagnostics: from mail-io1-f46.google.com by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.101.2/25559. spamassassin: 3.4.2. Clear:RC:0(209.85.166.46):SA:0(-2.0/5.0):. Processed in 3.743569 secs); 06 Sep 2019 15:17:30 -0000 X-Envelope-From: mikachu@gmail.com X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | Received-SPF: pass (ns1.primenet.com.au: SPF record at _netblocks.google.com designates 209.85.166.46 as permitted sender) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=XM2uzNQiq6sPADvE8YqLPzh0KvOkzA9xIdM85foCDN0=; b=CykDhNXCTrJMZFDzx6Q/EBX7YwM6VUkQPRxVqXLauR0KnIeGA/VGYr5W9KZrvsYbOn uR0BU6WFTlro8Gi5RhJrTL6tPZXy3nvnPIf6jdQX76tVFdmDm+dcaAL/agoqSe6uhWuX 8ByxJ551ONLU5uIcDjHMqKPXocOa0H9NZUp4DN0pnnbSBHYTqbqXWe9okTt7Wcli8sT3 g1xQB4W9ulAQpd+M/n8+vFn8jBSV9bssiEwGBsweaKRQdlhZMvDWyW/yDpp+YCA70asb iBaigXKQGtJvSRYQHfryPsHF6m4fbBvuo2Kn2rEOXrxchq/bkZuPDLIwvKWoy2XSjTbJ Wmug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=XM2uzNQiq6sPADvE8YqLPzh0KvOkzA9xIdM85foCDN0=; b=QKUKiR8MIvSjzL8sEUdNe4xYcJZ1PlunexK0rNZi58sCDh/rEyA0c/llxaZCmXf1Po mA4w9b4J8IDA8H0B7dy97jBQZotKgG0SQZ0s4swEzigXkFFeecPoVTl1uMzYHj2GGi77 39IRXuMjoQZGqZg9q7CawLwlI7FJfW+Kn9A8p5K0Pcf/dCYhLn19QllkVG05ZFej5ezt 91lPtCk8PQpXxe+JTEZwKJ24SMUmDa6/PLjWrAdNTkJNrnZ23QayOOLT/ZFu9F0OvvtG M25Tm8dXq35O3NqacnqQ87VXos+3OjtG3V/hnwpyc4wy2BaIIayDVvhACus7yao/hzba 2cEg== X-Gm-Message-State: APjAAAXFpfeFG0ZnQKW2eUEPWczlw7TMZL45fpZdPiBcC+a5Dbe5RicH kvN+uF+skWKENB4N+SfAEpgLGZG4L7OyshmR88I= X-Google-Smtp-Source: APXvYqxmGwZMrUTasE//9yeyfOPjoLqjq8GjS4NfXB0iCmZMNf1utih7fzVw149GbTq6iL80XGyIACGS4MCzr2xSJzA= X-Received: by 2002:a5e:970b:: with SMTP id w11mr11379809ioj.13.1567783013413; Fri, 06 Sep 2019 08:16:53 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: Mikael Magnusson Date: Fri, 6 Sep 2019 17:16:52 +0200 Message-ID: Subject: Re: The best way to know it is in zsh or bash To: Peng Yu Cc: zsh-users Content-Type: text/plain; charset="UTF-8" On 9/6/19, Peng Yu wrote: > Suppose that I start with bash default login shell, then I call zsh. > > I'd like to determine whether I am in bash or zsh. I see ZSH_* > environment variables. Is ZSH_VERSION the most appropriate to be used > to test whether it is in zsh or not? Thanks. > > $ declare -p BASH_VERSION > declare -- BASH_VERSION="5.0.0(1)-release" > $ declare -p ZSH_VERSION > typeset ZSH_VERSION=5.6.2 autotools configure does this, so presumably it works fairly universally, if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : -- Mikael Magnusson