From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 125536 invoked by alias); 22 Aug 2017 19:11:50 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 125511 invoked by uid 89); 22 Aug 2017 19:11:50 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=no version=3.3.2 spammy=act, his, HContent-Transfer-Encoding:8bit X-HELO: mail-it0-f43.google.com Received: from mail-it0-f43.google.com (HELO mail-it0-f43.google.com) (209.85.214.43) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 22 Aug 2017 19:11:48 +0000 Received: by mail-it0-f43.google.com with SMTP id o19so363176ito.0 for ; Tue, 22 Aug 2017 12:11:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=QPQrBH1/k2vCzvZZOyMLiZ6FtBq1bSemTP32cXiM1f0=; b=Icyt9rdkCpU1pTspEdxHVfBxGHfqdpHQjEGyphPM6efJOV3c+26lcoTTRa4yhxxF60 eIOTWVpt79/6ejD+PPj7plSIBHkiv9GEbTCPdg+ncl2bHQklZVlnP+Yy5M6R432qdTMb FKv7CCXiSrdLvcRr0AW3WZeaZUs6gwHcjuKYxm9imoOIZs+xZSJNsmCrK3lHQIiNTPTc /sH5zOY2D93+e3Ork3Zwga7jCM4B+V55yyWOGysNwyyeCARHIZxioWTZ2TluEbQIYwhi 756/AcxHucC2QY1fDynpbhMQ4LTOztbkpHKTASJMh2l8rwJaGwsBNZrbPvl4s19qiIW0 wM+A== X-Gm-Message-State: AHYfb5iOoHYQ0wzK/m205JLeotWZErtP+Mp0BWbit7PWiESmsoTiKqlv yWK4GOzby/4Fbi0u X-Received: by 10.36.134.68 with SMTP id u65mr957830itd.87.1503429106632; Tue, 22 Aug 2017 12:11:46 -0700 (PDT) Received: from [192.168.0.6] (d4-50-42-50.try.wideopenwest.com. [50.4.50.42]) by smtp.gmail.com with ESMTPSA id c11sm7041267iof.74.2017.08.22.12.11.45 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 22 Aug 2017 12:11:46 -0700 (PDT) Subject: Re: alias appears to not work inside a called bash script To: cygwin@cygwin.com References: <000001d31acd$108b0340$31a109c0$@rogers.com> <0ac245f1-002b-2993-c1de-e4ddaafa9c7d@cs.umass.edu> <99262820-ed21-d20d-8da0-2c0daa29f476@gmail.com> <772ae5e5-8ed7-76c4-6d4b-cf352504a8cc@cs.umass.edu> <78f5b6c2-c097-35bf-578d-6f3e45660e78@gmail.com> From: cyg Simple Message-ID: <3b44c2b5-51a6-be9a-5732-a33d41a8bd6c@gmail.com> Date: Tue, 22 Aug 2017 19:11:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <78f5b6c2-c097-35bf-578d-6f3e45660e78@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-IsSubscribed: yes X-SW-Source: 2017-08/txt/msg00203.txt.bz2 On 8/22/2017 3:07 PM, cyg Simple wrote: > On 8/22/2017 1:13 PM, Eliot Moss wrote: >> On 8/22/2017 1:07 PM, cyg Simple wrote: >>> On 8/22/2017 11:18 AM, Stephen John Smoogen wrote: >>>> On 22 August 2017 at 10:47, Eliot Moss wrote: >>>>> On 8/22/2017 10:31 AM, Stephen John Smoogen wrote: >> >>> Are you talking bash as sh or bash as bash?  Bash as sh will expand >>> those aliases.  But you should study >>> http://tldp.org/LDP/abs/html/aliases.html for all your scripts.  Are >>> there environment variables that could affect the outcome? >> >> Since the OP has a #! /bin/bash line at the top of his script, I think >> he means bash.  However, running the script with sh explicitly does act >> as you describe, e.g.:  sh myscript x y z ... in contrast to: myscript x >> y z. >> > > There's also --posix and set -o posix which will cause bash to perform > as the OP reports. I'm guessing this to be used in the bash startup > files in a global fashion on those systems that you're not having to > specify to use aliases. > > https://www.gnu.org/software/bash/manual/html_node/Bash-POSIX-Mode.html#Bash-POSIX-Mode > And --enable-strict-posix-default configure option turns this setting on by default. I'll leave it up to the Cygwin maintainer to decide if it should be used. -- cyg Simple -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple