NetBSD/games/primes/primes.6

90 lines
2.8 KiB
Groff

.\" $NetBSD: primes.6,v 1.2 2004/02/09 23:25:47 wiz Exp $
.\"
.\" Copyright (c) 1989, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Landon Curt Noll.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\" 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. 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.
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.\" @(#)factor.6 8.1 (Berkeley) 5/31/93
.\"
.\"
.\" By: Landon Curt Noll chongo@toad.com, ...!{sun,tolsoft}!hoptoad!chongo
.\"
.\" chongo <for a good prime call: 391581 * 2^216193 - 1> /\oo/\
.\"
.Dd February 8, 2004
.Dt PRIMES 6
.Os
.Sh NAME
.Nm primes
.Nd generate primes
.Sh SYNOPSIS
.Nm primes
.Op Ar start Op Ar stop
.Sh DESCRIPTION
The
.Nm
utility prints primes in ascending order, one per line, starting
at or above
.Ar start
and continuing until, but not including
.Ar stop .
The
.Ar start
value must be at least 0 and not greater than
.Ar stop .
The
.Ar stop
value must not be greater than 4294967295.
The default value of
.Ar stop
is 4294967295.
.Pp
When the
.Nm
utility is invoked with no arguments,
.Ar start
is read from standard input.
.Ar stop
is taken to be 4294967295.
The
.Ar start
value may be preceded by a single
.Sq \&+ .
The
.Ar start
value is terminated by a non-digit character (such as a newline).
The input line must not be longer than 255 characters.
.Sh DIAGNOSTICS
Out of range or invalid input results in
an appropriate error message
being written to standard error.
.Sh BUGS
.Nm
won't get you a world record.