1.\" $NetBSD: lptest.1,v 1.10 2003/08/07 11:25:31 agc Exp $ 2.\" 3.\" Copyright (c) 1985, 1990, 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. 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.\" @(#)lptest.1 8.2 (Berkeley) 12/30/93 31.\" 32.Dd December 30, 1993 33.Dt LPTEST 1 34.Os 35.Sh NAME 36.Nm lptest 37.Nd generate lineprinter ripple pattern 38.Sh SYNOPSIS 39.Nm 40.Op Ar length Op Ar count 41.Sh DESCRIPTION 42.Nm 43writes the traditional "ripple test" pattern on standard output. 44In 96 lines, 45this pattern will print all 96 printable 46.Tn ASCII 47characters 48in each position. 49While originally created to test printers, it is quite 50useful for testing terminals, 51driving terminal ports for debugging purposes, 52or any other task where a quick supply of random data is needed. 53.Pp 54The 55.Ar length 56argument specifies the output line length if the default 57length of 79 is inappropriate. 58.Pp 59The 60.Ar count 61argument specifies the number of output lines to be generated if 62the default count of 200 is inappropriate. 63Note that if 64.Ar count 65is to be specified, 66.Ar length 67must be also be specified. 68.Sh HISTORY 69.Nm 70appeared in 71.Bx 4.3 . 72