1.\" $OpenBSD: worms.6,v 1.9 2001/08/18 03:27:18 pjanzen Exp $ 2.\" 3.\" Copyright (c) 1989, 1993 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. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)worms.6 8.1 (Berkeley) 5/31/93 35.\" 36.Dd May 31, 1993 37.Dt WORMS 6 38.Os 39.Sh NAME 40.Nm worms 41.Nd animate worms on a display terminal 42.Sh SYNOPSIS 43.Nm worms 44.Op Fl ft 45.Op Fl d Ar delay 46.Op Fl l Ar length 47.Op Fl n Ar number 48.Sh DESCRIPTION 49A 50.Ux 51version of the DEC-2136 program 52.Dq worms . 53.Pp 54The options are as follows: 55.Bl -tag -width indent 56.It Fl f 57Makes a 58.Dq field 59for the worm(s) to eat. 60.It Fl t 61Makes each worm leave a trail behind it. 62.It Fl d 63Specifies a delay, in milliseconds, between each update. 64This is useful for fast terminals. 65Reasonable values are around 20-200. 66The default is 0. 67.It Fl l 68Specifies a length for each worm; the default is 16. 69.It Fl n 70Specifies the number of worms; the default is 3. 71.El 72.Sh BUGS 73The lower-right-hand character position will not be updated properly 74on a terminal that wraps at the right margin. 75