From nobody Sat Aug 09 02:22:46 2025 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4bzPnN1m1Yz64fJr for ; Sat, 09 Aug 2025 02:22:48 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4bzPnN0v6Sz3QDj for ; Sat, 09 Aug 2025 02:22:48 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1754706168; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v9i+v56FC2gxLVtUsi3urgtqk5bOflOsRjYMDagjMKc=; b=ij/59BtrsRqwmVWGm9KtlYIKDyD/WrGoyjpNozfTEXC+NPD/8rCzbGbyiGK8nQvoaGX+PX AOMEM2OPFK+VGV1lOvpbLKt/ivL51KoQBEX2DyUYIfWJBxt60D64rxH0sWFL753L/KUGsH +iFBYx4rEjnqvSN0Md8s1kGrl/BNTIyB5QpqyHXwpzjoSMeEGZi72pJjBywzpqYpA3rd8d 1aavhyRu7vdgH+DwqeFy6M9wDJwXzOP2p1kAY1ZSs+hU0+TwRbuyGV+BngutzDytVYJ3H0 uYxCFkcP0+ouIMruwL/AiBcaB+BY00ckPpP6/UmxdL4Senymg3cxV6S6YAp+bQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1754706168; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v9i+v56FC2gxLVtUsi3urgtqk5bOflOsRjYMDagjMKc=; b=tvtGPrmuJfRDmmp0ZBNowPyojXMnBBa2mwqg2f2+Fnwffp0+I0eCSGVT3GJ5yLJ8lynaCH tNl9FBzFJRd7Sv8Q36RlXTPP6cY/MpvV9BBXPoGqWs3HuAmKZu0HjQj8uWojrNar/up9aA 6rBolZug/p5S8GUf1cJJYSefGa8J+FPC4kkhaA19i5hsdl6im2F4t5Giox2KhE1bBocAo5 QKfy/BrlhSFA16PD17ZwYmLcBp07t7KKiL7nU6KClyvJZ9K9LgOpXbcDbI6UwXbcXrUhms yKT1cBQWs6e7Li8rRnUsbBAUDB5AcQmlU0hwEts3cKjewfyc40H0lKPO82qcNg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1754706168; a=rsa-sha256; cv=none; b=bxCobneXFeSNdLCBXVYSWKXWGG+3SI3vBQ8ifL7cYzNw4SzXG7wuOlwtmmXkdxjWJGe7P6 KC4M85mFdFzYBl6C7hgKeosmnJPURfopiQ6llj5GKkZSiFxqJyABuP5ygLnBZPMATgK9Tp sU7FIDHmDHJYMA3354DW04/iH6fA3AcjNHPGiE9f57FZ2DaFLHq8C8Niwm/CvuMn17Obar 45NlgR0JRa5CWWnEzoJyjT+zXgAxBO24Fi2X7z/OkGyWw1pr0a/S6MQs4grbnTJ3WObwHE tIs9QonkYBI0ClWlBLesJlOsDPwzpZYcvyJlpwnpC7WUNAxDCc549TxBbxGq0w== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4bzPnN0TpFz121t for ; Sat, 09 Aug 2025 02:22:48 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 5792MmNA044275 for ; Sat, 9 Aug 2025 02:22:48 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 5792Mms1044274 for bugs@FreeBSD.org; Sat, 9 Aug 2025 02:22:48 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 253893] sed "/^\s*$/d" complains about trailing backslash (\) Date: Sat, 09 Aug 2025 02:22:46 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 13.0-STABLE X-Bugzilla-Keywords: needs-qa X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kevans@freebsd.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253893 --- Comment #28 from Kyle Evans --- (In reply to Eric from comment #26) I was looking at this one again, and I think libregex is mostly fine here: --- % echo 'a b' | grep '[a\s]b' % echo 'asb' | grep -o '[a\s]b' sb % echo 'a\\b' | grep -o '[a\s]b' \b % grep -V grep (GNU grep) 3.7 Copyright (C) 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Mike Haertel and others; see . --- On FreeBSD: --- kevans@ifrit:~$ echo 'a b' | grep '[a\s]b' kevans@ifrit:~$ echo 'asb' | grep -o '[a\s]b' sb kevans@ifrit:~$ echo 'a\\b' | grep -o '[a\s]b' \b kevans@ifrit:~$ grep -V grep (BSD grep, GNU compatible) 2.6.0-FreeBSD --- --=20 You are receiving this mail because: You are the assignee for the bug.=