From debbugs-submit-bounces@debbugs.gnu.org Mon Apr 07 14:25:55 2025 Received: (at submit) by debbugs.gnu.org; 7 Apr 2025 18:25:56 +0000 Received: from localhost ([127.0.0.1]:56846 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1u1rAR-0004YM-Jn for submit@debbugs.gnu.org; Mon, 07 Apr 2025 14:25:55 -0400 Received: from lists.gnu.org ([2001:470:142::17]:50186) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1u1rAP-0004Xs-Cu for submit@debbugs.gnu.org; Mon, 07 Apr 2025 14:25:53 -0400 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 1u1rAI-0005Mi-Ul for bug-diffutils@gnu.org; Mon, 07 Apr 2025 14:25:47 -0400 Received: from mail-lj1-x234.google.com ([2a00:1450:4864:20::234]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1u1rAH-0002x3-By for bug-diffutils@gnu.org; Mon, 07 Apr 2025 14:25:46 -0400 Received: by mail-lj1-x234.google.com with SMTP id 38308e7fff4ca-30bd21f887aso38313731fa.1 for ; Mon, 07 Apr 2025 11:25:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1744050343; x=1744655143; darn=gnu.org; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=i5tu5FGdOQYYPfAAlpmAfvvbrxad5gF3sN/NBG7UTlI=; b=RlgUu7lSq7Gjei7a6l0siA/W+rOq/1+YImABsKtfeQuRFgGebagcNlJsbPV5wRaljI j9qD8gMtwrWPuT66dZfU7e//FP32zxmqJ4q8A9kLbJ5G0W11ven/WQOToUI+moByja+B PQLxA2WgyaGo+lwjZg/xhJ1ZgevLyW96xyynb7xUHo2uWrZySCLdSk8FZ4DRNt/udYzD 3eNDlOmyLNuVq+oppfwT0JkVKaCrV8GrXormDLGPMkjj13Go3umaBbbcyyREka0R0MGC 6nWkIWsHVWJutxl2kD0u/L9hVHY3u55m9hJa2b/YBxVWvtCLpOTLYR6E6XbEHrs2hzou vrkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744050343; x=1744655143; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=i5tu5FGdOQYYPfAAlpmAfvvbrxad5gF3sN/NBG7UTlI=; b=s8bB694r05QOD96g1Kf7nEUwcvPMQMbQTahOJukzBn/5lHRWN2aXOWwuhBwFGWmUWP gZ1r26xlBZGDIhYRO7/JMJomLCFZaFJyfYQBPIVpld/FV+U9Sau94iIY1AdWncnqo3ao EGeWLaaZnGB7QNWP+PM7fx/Vh9CISF9M+YL2juriSnQEPvIrUw031L273jHyZunpk44b ImNl27ukHsWavQLGruAAorvZUYVNfRqoKFVQ737aUcMYs2iNuRQYfIv4xq0zEhJ2RDxp 9g0i0hddx/qddRem3XZhpkzp5Hw+ExTiJeZAXnAS/m5wUEmCqr/+F5i2UTfUFZhIFNdO R+BQ== X-Gm-Message-State: AOJu0Yxdau82kA+h5D947BK1Magfap5sVbqiE+o7DNGP+F2Q1hTWoj4E ywGEpPKnhmuaTDNGmXplitAopXQmlm7wPMB1a47uf+1a8XEfJI/jRee+1NkFH5YUAbzR6+B/Zsi YMj5pJP2aPOUNYoWsQ9Z7N56MndtcHNMtTyU= X-Gm-Gg: ASbGnctLsncUbt/sD/xRn8iJHxopwQA2vRTQHloORqob7lW9wDGol+8vANyLQ3XA4q6 QH+dqOBy1a32KkqGhdT38Bj8e5ObUXZ1SQs+/tXLVHXbrC64T/t99hy3tw/iD7p/8pRr1AeOkZi YxP7YqBYsRnC+mcdtV90a+0VUbpQ== X-Google-Smtp-Source: AGHT+IFZuG1yqlLcyEEVqk4Wt+Jf9k9oIIdPTvnVdw5ycDOnw9qPaohFNe3Y2KnBNoVdjAGLZ4AElx2WA/MY3jcW/NQ= X-Received: by 2002:a05:651c:1465:b0:30c:aae:6d4e with SMTP id 38308e7fff4ca-30f0bf4fb8amr44081021fa.23.1744050342645; Mon, 07 Apr 2025 11:25:42 -0700 (PDT) MIME-Version: 1.0 From: Aaron Davies Date: Mon, 7 Apr 2025 14:25:29 -0400 X-Gm-Features: ATxdqUH8VXafUXmArVAouyK8zeagh1igec-KabdbFUF1RQonEfcbbyu1f82Pj9k Message-ID: Subject: difference in diff -wB with and without -u To: bug-diffutils@gnu.org Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::234; envelope-from=aaron.davies@gmail.com; helo=mail-lj1-x234.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.0 (/) this pair of files shows one line of difference with diff -wB and two with diff -uwB is this expected? $ ./show + cat -vet a $ a$ b$ $ + cat -vet b a$ $ + diff -wB a b 3d1 < b + diff -uwB a b --- a 2025-04-04 17:41:34.684282476 -0400 +++ b 2025-04-04 17:42:13.171166665 -0400 @@ -1,4 +1,2 @@ - a - b + diff --version + sed q diff (GNU diffutils) 3.11 $ -- Aaron Davies aaron.davies@gmail.com