Path: csiph.com!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail From: worley@alum.mit.edu (Dale R. Worley) Newsgroups: gnu.bash.bug Subject: Re: An xtrace variant Date: Mon, 29 Jun 2020 22:28:31 -0400 Lines: 11 Approved: bug-bash@gnu.org Message-ID: References: <19208.1593423624@jinx.noi.kre.to> <87wo3pz3qo.fsf@hobgoblin.ariadne.com> NNTP-Posting-Host: lists.gnu.org X-Trace: usenet.stanford.edu 1593484125 10507 209.51.188.17 (30 Jun 2020 02:28:45 GMT) X-Complaints-To: action@cs.stanford.edu Cc: bug-bash@gnu.org To: Robert Elz Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcastmailservice.net; s=20180828_2048; t=1593484114; bh=G23jivHOjPSAf4uUmCFfpqTa1oa2Trv2QvKw/DHn3n8=; h=Received:Received:Received:Received:From:To:Subject:Date: Message-ID; b=Ry0Rb1V7gxQxztDeM+U3qsqWfpVOfnDxKp8yP/5zBMEFG6II+d2VFXpPu9K+oCppp CTaZzbT1cRRf4yV2l/qywadmZg1jdBOL6ceuw2VqHoMng9PmBflGzTn3yz0BJhIZl1 sfZeoEfxEwfWSnLjpoPJ0iDG0aZGQ44EDE6KBPPQD0Ejx5rqB/+lrX6FHwEPSa4F/U nsmJp//CpUQE4gbah34AJTXnMTe6FkzFBokmRtrUG/YJFXVjIN3NZcgB3jG6+8sRAV Ni0nQHXzyKiyh3JBkQlZyqTbUcg/WWX9Oj+8TdtK0P1HvCOOl/MnC6fsYUq5dxDH9p jqLT4fu1/h2rg== X-Xfinity-VMeta: sc=0.00;st=legit X-Authentication-Warning: hobgoblin.ariadne.com: worley set sender to worley@alum.mit.edu using -f In-Reply-To: <19208.1593423624@jinx.noi.kre.to> Received-SPF: softfail client-ip=2001:558:fe21:29:69:252:207:38; envelope-from=worley@alum.mit.edu; helo=resqmta-ch2-06v.sys.comcast.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/29 22:28:35 X-ACL-Warn: Detected OS = ??? X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <87wo3pz3qo.fsf@hobgoblin.ariadne.com> Xref: csiph.com gnu.bash.bug:16497 Robert Elz writes: > The NetBSD sh (this time alone I believe) also has a -X (not that part, I > think one or two other shells also have unrelated -X options) which acts > just like -X, except it locks the output to stderr as it is at the time > the -X option is enabled (until -X is unset). [...] I can see significant benefits to that. At times, I've been thwarted in tracing things by redirection of stderr. Dale