1.\" $NetBSD: stdhosts.8,v 1.8 2002/02/02 02:27:45 wiz Exp $ 2.\" 3.\" Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by Mats O Jansson 17.\" 4. The name of the author may not be used to endorse or promote products 18.\" derived from this software without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 21.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 24.\" 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.Dd August 24, 1994 33.Dt STDHOSTS 8 34.Os 35.Sh NAME 36.Nm stdhosts 37.Nd a YP filter program 38.Sh SYNOPSIS 39.Nm "" 40.Op Fl n 41.Op Ar file 42.Sh DESCRIPTION 43.Nm 44parses the 45.Xr hosts 5 46style input stream (stdin, or 47.Ar file 48if given), and outputs lines containing only the IPv4 address and host name. 49.Pp 50.Nm 51is used by other 52.Tn YP 53programs when creating some of the 54.Tn YP 55maps. 56.Pp 57.Fl n 58allows other address types in the output, including IPv6 addresses. 59.Sh SEE ALSO 60.Xr yp 8 , 61.Xr ypserv 8 62.Sh AUTHORS 63.An Mats O Jansson Aq moj@stacken.kth.se 64