From owner-freebsd-questions@freebsd.org Fri Nov 1 09:27:31 2019 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 86E191AE585 for ; Fri, 1 Nov 2019 09:27:31 +0000 (UTC) (envelope-from vas@sibptus.ru) Received: from admin.sibptus.ru (admin.sibptus.ru [IPv6:2001:19f0:5001:21dc::10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 474H0L3ltwz3ylx for ; Fri, 1 Nov 2019 09:27:30 +0000 (UTC) (envelope-from vas@sibptus.ru) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sibptus.ru; s=20181118; h=In-Reply-To:Message-ID:Subject:To:From:Date; bh=Fg58E095DJwYGEccPavv2BMbawKolUPGQLi7Wy8wLOM=; b=gAeyPbOfaSgwdZWc6Mxayy6r9g oLw2JP4Mmk7C+abWhgCgfweVD49CWbqhWwZiscpEOoyen8YnmGFw4XSBVV+vyGIZODYg0tiR2Xqzf PzLeG28v7FOUKngdnc75SoN+n2GtZQxEYLuNWKnZ8mbcT3Be/WEGxYl2YtGyuxhltL0w=; Received: from vas by admin.sibptus.ru with local (Exim 4.92.3 (FreeBSD)) (envelope-from ) id 1iQTDA-000Hcg-HS for freebsd-questions@freebsd.org; Fri, 01 Nov 2019 16:27:16 +0700 Date: Fri, 1 Nov 2019 16:27:16 +0700 From: Victor Sudakov To: freebsd-questions@freebsd.org Subject: Re: grep for ascii nul Message-ID: <20191101092716.GA67658@admin.sibptus.ru> References: <20191101024817.GA60134@admin.sibptus.ru> <2c08387c-425b-060d-4f9b-3443a3f6a18f@irk.ru> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="AhhlLboLdkugWU4S" Content-Disposition: inline In-Reply-To: <2c08387c-425b-060d-4f9b-3443a3f6a18f@irk.ru> X-PGP-Key: http://admin.sibptus.ru/~vas/ X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 User-Agent: Mutt/1.12.2 (2019-09-21) X-Rspamd-Queue-Id: 474H0L3ltwz3ylx X-Spamd-Bar: -------- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=sibptus.ru header.s=20181118 header.b=gAeyPbOf; dmarc=pass (policy=none) header.from=sibptus.ru; spf=pass (mx1.freebsd.org: domain of vas@sibptus.ru designates 2001:19f0:5001:21dc::10 as permitted sender) smtp.mailfrom=vas@sibptus.ru X-Spamd-Result: default: False [-8.37 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[sibptus.ru:s=20181118]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+mx:c]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; TO_DN_NONE(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(-3.27)[ip: (-9.84), ipnet: 2001:19f0:5000::/38(-4.92), asn: 20473(-1.54), country: US(-0.05)]; DKIM_TRACE(0.00)[sibptus.ru:+]; DMARC_POLICY_ALLOW(-0.50)[sibptus.ru,none]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:20473, ipnet:2001:19f0:5000::/38, country:US]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Nov 2019 09:27:31 -0000 --AhhlLboLdkugWU4S Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Sorry for the confusion. Of cource I meant files with ascii nul in file contents, inside. Because why would I have mentioned "grep"? I need to find files containing ascii null inside, and print their names to= stdout. thor wrote: > There is NO such thing as filenames containing 0x00 inside the filename.= =20 > UNIX filenames are strings in C meaning and may contain any 8-bit values= =20 > except "/" which delimits the subdirectory names and 0x00 which marks=20 > the end of filename string. >=20 > At least it was so when I first met Unix, and I hope Bill Gates never=20 > influenced Unix since this time. >=20 > On 11/01/19 10:48, Victor Sudakov wrote: > > Dear Colleagues, > > > > How can I print the names of files containing ascii nul (\x0)? The > > FreeBSD "grep -l" does not seem to be able to do it. > > > > NB I don't need to delete the nul character with sed or tr, just need to > > find files containing it. > > >=20 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o= rg" --=20 Victor Sudakov, VAS4-RIPE, VAS47-RIPN 2:5005/49@fidonet http://vas.tomsk.ru/ --AhhlLboLdkugWU4S Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJdu/p0AAoJEA2k8lmbXsY0DuIH/2mMXEgB5gkWNzqapXfFLVtd 43KBww3GsDYHg9r0F6WNAnnA2LVRI+pzgX0RWur3rLz/sewLstVQAWql4mw4Ue4P LBQpqZZXZT+YX5iR686VOpc/cO8p1DRN9vJqw5mMxXjrmbjekUX+muK1RProjQ+S z62aaSbWksVXoi81mda4ffqHwpm2kwQ6EukXXzGNhNkDp+k6u6K5F9+xB149ZZg2 vrKMrDmvBoQrEnqKM1HUG2+CXRoKwQ0fk9JsYiYOO6Puu/0BfMgWmcKIeAHP/y4p w08EquQjyzpl+NYgSoCmTch9Fm1Tf3rNDW0C7J25hFF9+sUBAQIi8THriLUyZgQ= =B//2 -----END PGP SIGNATURE----- --AhhlLboLdkugWU4S--