115 lines
3.3 KiB
Groff
115 lines
3.3 KiB
Groff
.\" Copyright (c) 1980, 1990 The Regents of the University of California.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" This code is derived from software contributed to Berkeley by
|
|
.\" the Institute of Electrical and Electronics Engineers, Inc.
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" from: @(#)printenv.1 6.7 (Berkeley) 7/28/91
|
|
.\" $Id: env.1,v 1.2 1993/08/01 07:33:12 mycroft Exp $
|
|
.\"
|
|
.Dd July 14, 1993
|
|
.Dt ENV 1
|
|
.Os
|
|
.Sh NAME
|
|
.Nm env
|
|
.Nd set and print environment
|
|
.Sh SYNOPSIS
|
|
.Nm env
|
|
.Op Fl i
|
|
.Op Ar name=value ...
|
|
.Oo
|
|
.Ar command
|
|
.Op argument ...
|
|
.Oc
|
|
.Sh DESCRIPTION
|
|
.Nm env
|
|
executes
|
|
.Ar command
|
|
after modifying the environment as
|
|
specified on the command line. The option
|
|
.Ar name=value
|
|
specifies
|
|
an environmental variable,
|
|
.Ar name ,
|
|
with a value of
|
|
.Ar value .
|
|
The option
|
|
.Sq Fl i
|
|
causes
|
|
.Nm env
|
|
to completely ignore the environment
|
|
it inherits.
|
|
.Pp
|
|
If no
|
|
.Ar command
|
|
is specified,
|
|
.Nm env
|
|
prints out the names and values
|
|
of the variables in the environment, with one name/value pair per line.
|
|
.Sh DIAGNOSTICS
|
|
If the
|
|
.Ar command
|
|
is invoked, the exit status of
|
|
.Nm env
|
|
shall be the exit status of
|
|
.Ar command ;
|
|
otherwise, the
|
|
.Nm env
|
|
command exits with one of the following values:
|
|
.Bl -tag -width Ds
|
|
.It 0
|
|
The
|
|
.Nm env
|
|
command completed successfully
|
|
.It 1-125
|
|
An error occured.
|
|
.It 126
|
|
The
|
|
.Ar command
|
|
was found, but could not be invoked.
|
|
.It 127
|
|
The
|
|
.Ar command
|
|
could not be found.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr execvp 3 ,
|
|
.Xr environ 7
|
|
.Sh STANDARDS
|
|
The
|
|
.Nm env
|
|
command is expected to be
|
|
.St -p1003.2
|
|
compliant.
|
|
.Sh BUGS
|
|
.Nm env
|
|
doesn't handle commands with equal (``='') signs in their
|
|
names, for obvious reasons.
|