1.\" Copyright (c) 2003 Matthew Dillon <dillon@backplane.com> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $DragonFly: src/bin/varsym/varsym.1,v 1.10 2008/02/22 05:19:25 swildner Exp $ 26.\" 27.Dd September 27, 2009 28.Dt VARSYM 1 29.Os 30.Sh NAME 31.Nm varsym 32.Nd get and set user and system-wide variables for variant symlinks 33.Sh SYNOPSIS 34.Nm 35.Op Fl adpqsu 36.Oo 37.Ar var Ns Op Ns Cm = Ns Ar data 38.Ar ... 39.Oc 40.Sh DESCRIPTION 41The 42.Nm 43program manages user and system-wide variables. 44These variables are typically 45used by the system to resolve variant symlinks but may also be used generally. 46.Pp 47For each operand set, modify, retrieve, or delete the specified variable. 48By default variables specified without data are retrieved and variables 49specified with data are set. 50Variables may be set to empty. 51.Bl -tag -width Ar 52.It Fl a 53List all variables at the specified level. 54Note that per-process variables 55override per-user variables and per-user variables override system-wide 56variables. 57By default, per-user variables are listed. 58.It Fl d 59Delete mode. 60The specified variables are deleted. 61Any specified data is ignored. 62.It Fl p 63This option causes variables to be set on a per-process basis and restricts 64retrievals to process-specific variables. 65Note that since 66.Nm 67is run as its own process, using this option to set a variable will not 68affect your shell's namespace. 69.It Fl q 70Quiet mode. 71When retrieving a variable only its data is printed. 72.It Fl s 73This option causes variables to be set system-wide and restricts retrievals 74to system-specific variables. 75.It Fl u 76This option causes variables to be set on a per-user-id basis and restricts 77retrievals to user-specific variables. 78This is the default. 79.El 80.Sh DIAGNOSTICS 81The 82.Nm 83utility exits with one of the following values: 84.Bl -tag -width Ds 85.It 0 86No errors occurred. 87.It 1 88A requested variable could not be found 89.It 2 90A requested variable could not be set 91.El 92.Sh SEE ALSO 93.Xr ln 1 , 94.Xr varsym 2 , 95.Xr varsym.conf 5 96