From owner-svn-src-head@freebsd.org Mon Oct 5 13:49:46 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 30C1F425403; Mon, 5 Oct 2020 13:49:46 +0000 (UTC) (envelope-from fernape@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 4C4hmV0XLGz3fSn; Mon, 5 Oct 2020 13:49:46 +0000 (UTC) (envelope-from fernape@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 E572316352; Mon, 5 Oct 2020 13:49:45 +0000 (UTC) (envelope-from fernape@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 095DnjsI026845; Mon, 5 Oct 2020 13:49:45 GMT (envelope-from fernape@FreeBSD.org) Received: (from fernape@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 095Dnj3G026844; Mon, 5 Oct 2020 13:49:45 GMT (envelope-from fernape@FreeBSD.org) Message-Id: <202010051349.095Dnj3G026844@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: fernape set sender to fernape@FreeBSD.org using -f From: =?UTF-8?Q?Fernando_Apestegu=c3=ada?= Date: Mon, 5 Oct 2020 13:49:45 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366447 - head/bin/kenv X-SVN-Group: head X-SVN-Commit-Author: fernape X-SVN-Commit-Paths: head/bin/kenv X-SVN-Commit-Revision: 366447 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: Mon, 05 Oct 2020 13:49:46 -0000 Author: fernape (ports committer) Date: Mon Oct 5 13:49:45 2020 New Revision: 366447 URL: https://svnweb.freebsd.org/changeset/base/366447 Log: kenv(1): Add EXAMPLES to man page Add EXAMPLES section covering all the options Approved by: manpages (bcr@) Differential Revision: https://reviews.freebsd.org/D26664 Modified: head/bin/kenv/kenv.1 Modified: head/bin/kenv/kenv.1 ============================================================================== --- head/bin/kenv/kenv.1 Mon Oct 5 13:46:19 2020 (r366446) +++ head/bin/kenv/kenv.1 Mon Oct 5 13:49:45 2020 (r366447) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 11, 2012 +.Dd October 5, 2020 .Dt KENV 1 .Os .Sh NAME @@ -102,6 +102,44 @@ Almost any printable character except .Sq = is acceptable as part of a name. Quotes are optional and necessary only if the value contains whitespace. +.Sh EXAMPLES +Show kernel probe hints variable names and filter for the uart +device +.Bd -literal -offset indent +$ kenv -h -N | grep uart +hint.uart.0.at +hint.uart.0.flags +hint.uart.0.irq +hint.uart.0.port +hint.uart.1.at +hint.uart.1.irq +hint.uart.1.port +.Ed +.Pp +Show the value of a specific variable: +.Bd -literal -offset indent +$ kenv hint.uart.1.at +isa +.Ed +.Pp +Same as above but adding the name of the variable in the report: +.Bd -literal -offset indent +$ kenv -v hint.uart.1.at +hint.uart.1.at="isa" +.Ed +.Pp +Try to delete a variable and suppress warnings if any: +.Bd -literal -offset indent +$ kenv -q -u hint.uart.1.at +.Ed +.Pp +Set the value of the +.Ev verbose_loading +variable +.Bd -literal -offset indent +$ kenv verbose_loading="YES" +verbose_loading="YES" +.Ed .Sh SEE ALSO .Xr kenv 2 , .Xr config 5 ,