
1: .\" $NetBSD: random.6,v 1.6 2003/08/07 09:37:35 agc Exp $ 2: .\" 3: .\" Copyright (c) 1994 4: .\" The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 15: .\" may be used to endorse or promote products derived from this software 16: .\" without specific prior written permission. 17: .\" 18: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21: .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28: .\" SUCH DAMAGE. 29: .\" 30: .\" @(#)random.6 8.2 (Berkeley) 3/31/94 31: .\" 32: .Dd March 31, 1994 33: .Dt RANDOM 6 34: .Os 35: .Sh NAME 36: .Nm random 37: .Nd random lines from a file or random numbers 38: .Sh SYNOPSIS 39: .Nm 40: .Op Fl er 41: .Op Ar denominator 42: .Sh DESCRIPTION 43: .Nm 44: reads lines from the standard input and copies them to the standard 45: output with a probability of 1/denominator. 46: The default value for 47: .Ar denominator 48: is 2. 49: .Pp 50: The options are as follows: 51: .Bl -tag -width Ds 52: .It Fl e 53: If the 54: .Fl e 55: option is specified, 56: .Nm 57: does not read or write anything, and simply exits with a random 58: exit value of 0 to 59: .Ar denominator Ns -1 , 60: inclusive. 61: .It Fl r 62: The 63: .Fl r 64: option guarantees that the output is unbuffered. 65: .El 66: .Sh SEE ALSO 67: .Xr fortune 6