projects / apple / shell_cmds.git / blame
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1 | .\" $NetBSD: printenv.1,v 1.5 1997/10/19 12:44:21 lukem Exp $ |
| 2 | .\" | |
| 3 | .\" Copyright (c) 1980, 1990, 1993 | |
| 4 | .\" The Regents of the University of California. 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. All advertising materials mentioning features or use of this software | |
| 17 | .\" must display the following acknowledgement: | |
| 18 | .\" This product includes software developed by the University of | |
| 19 | .\" California, Berkeley and its contributors. | |
| 20 | .\" 4. Neither the name of the University nor the names of its contributors | |
| 21 | .\" may be used to endorse or promote products derived from this software | |
| 22 | .\" without specific prior written permission. | |
| 23 | .\" | |
| 24 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | .\" SUCH DAMAGE. | |
| 35 | .\" | |
| 36 | .\" from: @(#)printenv.1 8.1 (Berkeley) 6/6/93 | |
| 37 | .\" $NetBSD: printenv.1,v 1.5 1997/10/19 12:44:21 lukem Exp $ | |
| 38 | .\" | |
| 39 | .Dd June 6, 1993 | |
| 40 | .Dt PRINTENV 1 | |
| 41 | .Os | |
| 42 | .Sh NAME | |
| 43 | .Nm printenv | |
| 44 | .Nd print out the environment | |
| 45 | .Sh SYNOPSIS | |
| 46 | .Nm | |
| 47 | .Op Ar name | |
| 48 | .Sh DESCRIPTION | |
| 49 | .Nm | |
| 50 | prints out the names and values of the variables in the environment, | |
| 51 | with one name/value pair per line. If | |
| 52 | .Ar name | |
| 53 | is specified, only | |
| 54 | its value is printed. | |
| 55 | .Pp | |
| 56 | If a | |
| 57 | .Ar name | |
| 58 | is specified and it is not defined in the environment, | |
| 59 | .Nm | |
| 60 | returns exit status 1, else it returns status 0. | |
| 61 | .Sh SEE ALSO | |
| 62 | .Xr csh 1 , | |
| 63 | .Xr sh 1 , | |
| 64 | .Xr environ 7 | |
| 65 | .Sh HISTORY | |
| 66 | The | |
| 67 | .Nm | |
| 68 | command appeared in | |
| 69 | .Bx 3.0 . |