Paul Eggert <eggert@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 26726) by debbugs.gnu.org; 1 May 2017 12:48:48 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon May 01 08:48:48 2017 Received: from localhost ([127.0.0.1]:48618 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1d5Aky-0003RI-2n for submit <at> debbugs.gnu.org; Mon, 01 May 2017 08:48:48 -0400 Received: from mail-ua0-f176.google.com ([209.85.217.176]:34781) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <meyering@HIDDEN>) id 1d5Akw-0003R6-GE for 26726 <at> debbugs.gnu.org; Mon, 01 May 2017 08:48:46 -0400 Received: by mail-ua0-f176.google.com with SMTP id g49so5395833uaa.1 for <26726 <at> debbugs.gnu.org>; Mon, 01 May 2017 05:48:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=cCHdwi4IIAlWYYY+trPg11YKmfFHK3m/VcsABuiSuk4=; b=ZY/hglT1/hLtXFcX0HC5Fk01rlWeTijHmVBiBMUwl9YYGMxHuRq1OLhz9dlgNyLSOy TNROG0c8pi2mQwVAak8feDMDPpNNevIFANCPmVAszZyTIM9HbFnsymep1jozstlW5YOb ulIwZmCsqzBUH4H2PJObSlcjvf7irzT6aWFKysh+ro7AxGbJ82dBbru6FhH7cFqjL6+t LuHNJdxAEuvRd9YX5EWo+5dBfE27DQdL8cTLNn2+2/eXwMWKnglcMgcjdB2XgTglJeuc UeZWaxYULYsKdWRa50ajJCwKkFtO060UQN6QGy98Iv9x7m2FqJW2D4CC+J3Ou4ivXpcR 2pEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=cCHdwi4IIAlWYYY+trPg11YKmfFHK3m/VcsABuiSuk4=; b=QtRnpHHEN26+Weuu+PINFffyzzLlpBPQcern0TDqXMJrRJssqX3GV7Mud5fY9qcqKL OTPS5LrmwfWwd8Jq3GdDDrMIPXOE3jf5rVhiyQerJLkFul7C600ivL+WmIUNs52gALvw vVBmzHHLQwBAOqcmTuwOEIW+A9lIJVpLyKtXTdPJiZ5X+0CXVRxe3Vauk3n65J6u9hos 0O+spfnKqbmMqblOigJpNqUW5brIYrDOOuNwVIX/q9jSKdsztQaCdUuiQ6plBp3pjdS+ iTVwMYS4itY8vAVDt4OLRv6ANfk53aQkn1aRjvUPPx6pPbkozGlTeVYQglB/dcaa/rVX a2Uw== X-Gm-Message-State: AN3rC/5RAjjiT2rubjtwJRwwmxBqEHapVGFsEKdSaoS0KKJ5sX4h4hZu 4+3iDv9sHVTQSlN816jL1rMBIC48qg== X-Received: by 10.176.25.15 with SMTP id v15mr7761787uag.81.1493642920819; Mon, 01 May 2017 05:48:40 -0700 (PDT) MIME-Version: 1.0 Received: by 10.176.82.75 with HTTP; Mon, 1 May 2017 05:48:20 -0700 (PDT) In-Reply-To: <tencent_104467C1659C99351880762E@HIDDEN> References: <tencent_104467C1659C99351880762E@HIDDEN> From: Jim Meyering <jim@HIDDEN> Date: Mon, 1 May 2017 21:48:20 +0900 X-Google-Sender-Auth: iKheKZGXO7iXl5jfq5q0i-s65qQ Message-ID: <CA+8g5KGZk6_6XVw5LvcvMW_DX78oN=OCDbYS5teui2z4WbQ5HQ@HIDDEN> Subject: Re: bug#26726: Support grepping multi-lines fixed-strings To: ziyunfei <446240525@HIDDEN> Content-Type: text/plain; charset=UTF-8 X-Spam-Score: -2.6 (--) X-Debbugs-Envelope-To: 26726 Cc: 26726 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.6 (--) On Mon, May 1, 2017 at 3:38 PM, ziyunfei <446240525@HIDDEN> wrote: > I have the same need as http://stackoverflow.com/questions/14631794/check-if-file-contains-some-text-not-regex-in-unix#comment20438757_14631832. > > $ cat file > foo > bar > > $ echo "$fixed_string" > bar > foo > > $ grep -Fzq "$fixed_string" file && echo "Matched" || echo "Not matched" > Matched # false positive, -z doesn't apply to -F > > > $ [[ "$(cat file)" = *"$fixed_string"* ]] && echo "Matched" || echo "not matched" > not matched # my workaround Consider using perl, i.e., this matches: $ pat='foo bar' $ printf '%s\n' foo bar | perl -0 -ne 'm!\Q'"$pat"'\E! or die' This does not match: $ printf '%s\n' bar foo | perl -0 -ne 'm!\Q'"$pat"'\E! or die' Died at -e line 1, <> chunk 1.
bug-grep@HIDDEN:bug#26726; Package grep.
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"ziyunfei" <446240525@HIDDEN>:bug-grep@HIDDEN.
Full text available.bug-grep@HIDDEN:bug#26726; Package grep.
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