386BSD 0.1 development

[unix-history] / usr / src / usr.bin / printenv / printenv.1

diff --git a/usr/src/usr.bin/printenv/printenv.1 b/usr/src/usr.bin/printenv/printenv.1
index 682c672..8763468 100644 (file)
--- a/usr/src/usr.bin/printenv/printenv.1
+++ b/usr/src/usr.bin/printenv/printenv.1
@@ -1,54 +1,98 @@
-.\" Copyright (c) 1980 The Regents of the University of California.
+.\" Copyright (c) 1980, 1990 The Regents of the University of California.

 .\" All rights reserved.
 .\"
 .\" All rights reserved.
 .\"

-.\" Redistribution and use in source and binary forms are permitted
-.\" provided that the above copyright notice and this paragraph are
-.\" duplicated in all such forms and that any documentation,
-.\" advertising materials, and other materials related to such
-.\" distribution and use acknowledge that the software was developed
-.\" by the University of California, Berkeley.  The name of the
-.\" University may not be used to endorse or promote products derived
-.\" from this software without specific prior written permission.
-.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
-.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
-.\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+.\" 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.

 .\"
 .\"

-.\"    @(#)printenv.1  6.2 (Berkeley) %G%
+.\" 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.

 .\"
 .\"

-.TH PRINTENV 1 ""
-.UC
-.SH NAME
-printenv \- print out the environment
-.br
-env \- set and print out the environment
-.SH SYNOPSIS
-.B printenv
-[name]
-.br
-.B env
-[-] [name=value ...] [command]
-.SH DESCRIPTION
-.I Printenv
+.\"    @(#)printenv.1  6.7 (Berkeley) 7/28/91
+.\"
+.Dd July 28, 1991
+.Dt PRINTENV 1
+.Os BSD 3
+.Sh NAME
+.Nm printenv , env
+.Nd print out the environment, set and print environment
+.Sh SYNOPSIS
+.Nm printenv
+.Op Ar name
+.Nm env
+.Op Fl
+.Op Ar name=value ...
+.Op Ar command
+.Sh DESCRIPTION
+.Nm Printenv

 prints out the names and values of the variables in the environment,
 prints out the names and values of the variables in the environment,

-with one name/value pair per line.  If \fIname\fP is specified, only
+with one name/value pair per line.  If
+.Ar name
+is specified, only

 its value is printed.
 its value is printed.

-.PP
+.Pp

 If a
 If a

-.I name
+.Ar name

 is specified and it is not defined in the environment,
 is specified and it is not defined in the environment,

-.I printenv
+.Nm printenv

 returns exit status 1, else it returns status 0.
 returns exit status 1, else it returns status 0.

-.PP
-\fIEnv\fP executes \fIcommand\fP after modifying the environment as
-specified on the command line.  The option \fIname=value\fP specifies
-an environmental variable, \fIname\fP, with a value of \fIvalue\fP.
-The option \fI-\fP causes \fIenv\fP to completely ignore the environment
+.Pp
+.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
+causes
+.Nm env
+to completely ignore the environment

 it inherits.
 it inherits.

-.PP
-If no command is specified, \fIenv\fP prints out the names and values
+.Pp
+If no command is specified,
+.Nm env
+prints out the names and values

 of the variables in the environment, with one name/value pair per line.
 of the variables in the environment, with one name/value pair per line.

-.SH SEE ALSO
-csh(1), sh(1), execvp(3), environ(7)
-.SH BUGS
-\fIEnv\fP doesn't handle commands with equal (``='') signs in their
+.Sh SEE ALSO
+.Xr csh 1 ,
+.Xr sh 1 ,
+.Xr execvp 3 ,
+.Xr environ 7
+.Sh HISTORY
+The
+.Nm printenv
+command appeared in
+.Bx 3.0 .
+.Sh BUGS
+.Nm Env
+doesn't handle commands with equal (``='') signs in their

 names, for obvious reasons.
 names, for obvious reasons.