From owner-svn-src-head@freebsd.org Sun Jun 7 13:21:48 2020 Return-Path: Delivered-To: svn-src-head@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 6FE7E32B72B; Sun, 7 Jun 2020 13:21:48 +0000 (UTC) (envelope-from bcr@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49fxqc2K4jz3TTl; Sun, 7 Jun 2020 13:21:48 +0000 (UTC) (envelope-from bcr@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4AE2013EC8; Sun, 7 Jun 2020 13:21:48 +0000 (UTC) (envelope-from bcr@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 057DLm4h088408; Sun, 7 Jun 2020 13:21:48 GMT (envelope-from bcr@FreeBSD.org) Received: (from bcr@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 057DLmuq088407; Sun, 7 Jun 2020 13:21:48 GMT (envelope-from bcr@FreeBSD.org) Message-Id: <202006071321.057DLmuq088407@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: bcr set sender to bcr@FreeBSD.org using -f From: Benedict Reuschling Date: Sun, 7 Jun 2020 13:21:48 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r361891 - head/usr.bin/uniq X-SVN-Group: head X-SVN-Commit-Author: bcr X-SVN-Commit-Paths: head/usr.bin/uniq X-SVN-Commit-Revision: 361891 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Jun 2020 13:21:48 -0000 Author: bcr (doc committer) Date: Sun Jun 7 13:21:47 2020 New Revision: 361891 URL: https://svnweb.freebsd.org/changeset/base/361891 Log: Add EXAMPLES to cover all flags except -f since it is analogous to -s. An EXAMPLE section was adding with some basic examples that show the use of uniq(1) with various flags. Submitted by: fernape@ Approved by: bcr@ MFC after: 4 days Relnotes: yes (EXAMPLE section for uniq(1)) Differential Revision: https://reviews.freebsd.org/D25149 Modified: head/usr.bin/uniq/uniq.1 Modified: head/usr.bin/uniq/uniq.1 ============================================================================== --- head/usr.bin/uniq/uniq.1 Sun Jun 7 12:15:41 2020 (r361890) +++ head/usr.bin/uniq/uniq.1 Sun Jun 7 13:21:47 2020 (r361891) @@ -31,7 +31,7 @@ .\" From: @(#)uniq.1 8.1 (Berkeley) 6/6/93 .\" $FreeBSD$ .\" -.Dd December 15, 2019 +.Dd June 7, 2020 .Dt UNIQ 1 .Os .Sh NAME @@ -147,6 +147,56 @@ as described in .Xr environ 7 . .Sh EXIT STATUS .Ex -std +.Sh EXAMPLES +Assuming a file named cities.txt with the following content: +.Bd -literal -offset indent +Madrid +Lisbon +Madrid +.Ed +.Pp +The following command reports three different lines since identical elements +are not adjacent: +.Bd -literal -offset indent +$ uniq -u cities.txt +Madrid +Lisbon +Madrid +.Ed +.Pp +Sort the file and count the number of identical lines: +.Bd -literal -offset indent +$ sort cities.txt | uniq -c + 1 Lisbon + 2 Madrid +.Ed +.Pp +Assuming the following content for the file cities.txt: +.Bd -literal -offset indent +madrid +Madrid +Lisbon +.Ed +.Pp +Show repeated lines ignoring case sensitiveness: +.Bd -literal -offset indent +$ uniq -d -i cities.txt +madrid +.Ed +.Pp +Same as above but showing the whole group of repeated lines: +.Bd -literal -offset indent +$ uniq -D -i cities.txt +madrid +Madrid +.Ed +.Pp +Report the number of identical lines ignoring the first character of every line: +.Bd -literal -offset indent +$ uniq -s 1 -c cities.txt + 2 madrid + 1 Lisbon +.Ed .Sh COMPATIBILITY The historic .Cm \&\(pl Ns Ar number