161851Sbostic.\" Copyright (c) 1985, 1990, 1993 261851Sbostic.\" The Regents of the University of California. All rights reserved. 319780Smckusick.\" 449508Scael.\" %sccs.include.redist.roff% 519780Smckusick.\" 6*65227Smckusick.\" @(#)lptest.1 8.2 (Berkeley) 12/30/93 735749Sbostic.\" 844956Scael.Dd 944956Scael.Dt LPTEST 1 1044956Scael.Os BSD 4.3 1144956Scael.Sh NAME 1244956Scael.Nm lptest 1344956Scael.Nd generate lineprinter ripple pattern 1444956Scael.Sh SYNOPSIS 1544956Scael.Nm lptest 1644956Scael.Op Ar length 1744956Scael.Op Ar count 1844956Scael.Sh DESCRIPTION 1944956Scael.Nm Lptest 2019780Smckusickwrites the traditional "ripple test" pattern on standard output. 2119780SmckusickIn 96 lines, 2249508Scaelthis pattern will print all 96 printable 2349508Scael.Tn ASCII 2449508Scaelcharacters 2519780Smckusickin each position. 2619780SmckusickWhile originally created to test printers, it is quite 2719780Smckusickuseful for testing terminals, 2819780Smckusickdriving terminal ports for debugging purposes, 2919780Smckusickor any other task where a quick supply of random data is needed. 3044956Scael.Pp 3144956ScaelThe 3244956Scael.Ar length 33*65227Smckusickargument specifies the output line length if the default 3419780Smckusicklength of 79 is inappropriate. 3544956Scael.Pp 3619780SmckusickThe 3744956Scael.Ar count 3819780Smckusickargument specifies the number of output lines to be generated if 3919780Smckusickthe default count of 200 is inappropriate. 4044956ScaelNote that if 4144956Scael.Ar count 4219780Smckusickis to be specified, 4344956Scael.Ar length 4419780Smckusickmust be also be specified. 4544956Scael.Sh HISTORY 4644956Scael.Nm Lptest 4749508Scaelappeared in 4849508Scael.Bx 4.3 . 49