shell_cmds-198.tar.gz

[apple/shell_cmds.git] / printenv / printenv.1

diff --git a/printenv/printenv.1 b/printenv/printenv.1
index ea3fb0f35f4705228b50a113e9f79a0d0f138500..44443755c87b014fabec6aa9baa6bc68ab2d8709 100644 (file)
--- a/printenv/printenv.1
+++ b/printenv/printenv.1
@@ -1,7 +1,5 @@
-.\"    $NetBSD: printenv.1,v 1.5 1997/10/19 12:44:21 lukem Exp $
-.\"
 .\" Copyright (c) 1980, 1990, 1993
-.\"   The Regents of the University of California.  All rights reserved.
+.\"    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.
@@ -13,10 +11,6 @@
 .\" 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.
@@ -33,10 +27,10 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"    from: @(#)printenv.1    8.1 (Berkeley) 6/6/93
-.\"    $NetBSD: printenv.1,v 1.5 1997/10/19 12:44:21 lukem Exp $
+.\"    @(#)printenv.1  8.1 (Berkeley) 6/6/93
+.\" $FreeBSD$
 .\"
-.Dd June 6, 1993
+.Dd May 12, 2003
 .Dt PRINTENV 1
 .Os
 .Sh NAME
@@ -46,22 +40,43 @@
 .Nm
 .Op Ar name
 .Sh DESCRIPTION
+The
 .Nm
-prints out the names and values of the variables in the environment,
-with one name/value pair per line.  If
+utility prints out the names and values of the variables in the environment,
+with one name/value pair per line.
+If
 .Ar name
 is specified, only
 its value is printed.
 .Pp
-If a
-.Ar name
-is specified and it is not defined in the environment,
+Some shells may provide a builtin
 .Nm
-returns exit status 1, else it returns status 0.
+command which is similar or identical to this utility.
+Consult the
+.Xr builtin 1
+manual page.
+.Sh EXIT STATUS
+.Ex -std
 .Sh SEE ALSO
 .Xr csh 1 ,
+.Xr env 1 ,
 .Xr sh 1 ,
 .Xr environ 7
+.Sh STANDARDS
+The
+.Nm
+utility is provided for compatibility with earlier
+.Bx
+and
+.Fx
+releases and is not specified by any standards.
+The functionality of
+.Nm
+can be duplicated with the
+.Xr echo 1
+and
+.Xr env 1
+utilities.
 .Sh HISTORY
 The
 .Nm