X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:mime-version:date:message-id:subject:from:to :content-type; q=dns; s=default; b=SZ/it7B3KP7gIEVdGwLY2VT4Ka1gv 7JibeAdUL7h+i7Xx/T8L1lhLw2vWHTyFnubhMzMot/rI+iuBeog8YIUFrL/HPwEG 2aC4MFe1IH4mxLdzA7N7JxMKi1sWmdc/998oCODVdzSmaPNDYYukj1JrctU/uEk4 1gKX/F1y2olyDQ= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:mime-version:date:message-id:subject:from:to :content-type; s=default; bh=EEBkRH/j/TA3jOXsLtFq4e49uHM=; b=jp8 SXbSSbLGmPzzb+Av5VBbcFRfr3hU5DbsJdmXHpVbIng3YGEysAFPyqXVOkkx7Qzf j+y6qXTxntSu3jlgU9nmHwYPmPUfOZ5dimGm38ayiXNDpSqWkdN5uJMRTxdCKLv5 u5aSolM54tzvEiKudMCl12VQgm7iqmqOT0EMjz+8= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-ig0-f173.google.com MIME-Version: 1.0 X-Received: by 10.107.160.196 with SMTP id j187mr13886219ioe.80.1437096558392; Thu, 16 Jul 2015 18:29:18 -0700 (PDT) Date: Thu, 16 Jul 2015 20:29:18 -0500 Message-ID: Subject: --line-regexp option with null data From: Steven Penny To: cygwin AT cygwin DOT com Content-Type: text/plain; charset=UTF-8 X-IsSubscribed: yes Consider this command: printf 'alpha\nbravo\ncharlie\n' | grep --line-regexp --quiet bravo grep sees 3 lines separated by newline, and matches the bravo line. Now consider this command: printf 'alpha\0bravo\0charlie\0' | grep --line-regexp --quiet bravo My thinking tells me that because I have not used `--null-data`, grep should see 1 or even 0 lines separated by newline, and fail to match a `bravo` followed by newline. However it does not, it succeeds just like the first command, why is this? Note I also tried this on Debian with Grep 2.2 and it works as expected. http://stackoverflow.com/q/31467045 -- 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