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Sun, 09 Aug 2020 18:35:24 -0700 (PDT) MIME-Version: 1.0 References: <5F30962B.5060005@gmail.com> <24368.41568.96908.196223@jerusalem.litteratus.org> In-Reply-To: <24368.41568.96908.196223@jerusalem.litteratus.org> From: Aryeh Friedman Date: Sun, 9 Aug 2020 21:35:12 -0400 Message-ID: Subject: Re: csh use of grep | tr commands To: Robert Huff Cc: Ernie Luzar , "freebsd-questions@freebsd.org" X-Rspamd-Queue-Id: 4BPz710h99z4b9f X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=An9iQDkm; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of aryehfriedman@gmail.com designates 2607:f8b0:4864:20::129 as permitted sender) smtp.mailfrom=aryehfriedman@gmail.com X-Spamd-Result: default: False [-3.74 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.61)[-0.614]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.10)[-1.103]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.02)[-1.021]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::129:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; FREEMAIL_CC(0.00)[gmail.com,freebsd.org] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Aug 2020 01:35:26 -0000 On Sun, Aug 9, 2020 at 9:27 PM Robert Huff wrote: > Ernie Luzar writes: > > > Double quotes are giving me trouble. > > > > I have a file with a line in it like this > > ip4="10.111.098.2" > > I want to get just the ip address > > > > ip=`grep "ip4=" directory-path/file-name > > > > $ip ends up having ip4="10.111.098.2" in it > > > > ip=`echo -n "${ip}" | tr -d "ip4=" > > > > $ip ends up having "10.111.098.2" in it > > > > Putting | tr """ " "` after the echo above gives error. > > > > How do I remove the " around the ip address? > > Would awk perhaps be a better tool? > Complete overkill for what he wants to do. He wants to bang a nail in thus only needs a hammer he does not need a nail gun for only one nail. -- Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org