1.\" $NetBSD: env.1,v 1.12 2007/06/08 18:20:42 wiz Exp $ 2.\" 3.\" Copyright (c) 1980, 1990 The Regents of the University of California. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Institute of Electrical and Electronics Engineers, Inc. 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)printenv.1 6.7 (Berkeley) 7/28/91 33.\" $NetBSD: env.1,v 1.12 2007/06/08 18:20:42 wiz Exp $ 34.\" 35.Dd June 8, 2007 36.Dt ENV 1 37.Os 38.Sh NAME 39.Nm env 40.Nd set and print environment 41.Sh SYNOPSIS 42.Nm 43.Op Fl i 44.Op Ar name=value ... 45.Oo 46.Ar utility 47.Op argument ... 48.Oc 49.Sh DESCRIPTION 50.Nm 51executes 52.Ar utility 53after modifying the environment as 54specified on the command line. 55The option 56.Ar name=value 57specifies 58an environmental variable, 59.Ar name , 60with a value of 61.Ar value . 62The option 63.Sq Fl i 64causes 65.Nm 66to completely ignore the environment 67it inherits. 68.Pp 69If no 70.Ar utility 71is specified, 72.Nm 73prints out the names and values 74of the variables in the environment, with one 75.Ar name=value 76pair per line. 77.Sh EXIT STATUS 78.Nm 79exits with one of the following values: 80.Bl -tag -width Ds 81.It 0 82.Ar utility 83was invoked and completed successfully. 84In this case the exit code is returned by the utility itself, not 85.Nm . 86If no utility was specified, then 87.Nm 88completed successfully and returned the exit code itself. 89.It 1 90An invalid command line option was passed to 91.Nm . 92.It 1\-125 93.Ar utility 94was invoked, but failed in some way; 95see its manual page for more information. 96In this case the exit code is returned by the utility itself, not 97.Nm . 98.It 126 99.Ar utility 100was found, but could not be invoked. 101.It 127 102.Ar utility 103could not be found. 104.El 105.Sh COMPATIBILITY 106The historic 107.Fl 108option has been deprecated but is still supported in this implementation. 109.Sh SEE ALSO 110.Xr execvp 3 , 111.Xr environ 7 112.Sh STANDARDS 113The 114.Nm 115utility conforms to 116.St -p1003.2-92 . 117.Sh BUGS 118.Nm 119doesn't handle commands with equal 120.Pq Dq = 121signs in their 122names, for obvious reasons. 123