143719Scael.\" Copyright (c) 1985, 1990 The Regents of the University of California. 235749Sbostic.\" All rights reserved. 319780Smckusick.\" 443719Scael.\" %sccs.include.redist.man% 519780Smckusick.\" 6*44956Scael.\" @(#)lptest.1 6.5 (Berkeley) 07/24/90 735749Sbostic.\" 8*44956Scael.Dd 9*44956Scael.Dt LPTEST 1 10*44956Scael.Os BSD 4.3 11*44956Scael.Sh NAME 12*44956Scael.Nm lptest 13*44956Scael.Nd generate lineprinter ripple pattern 14*44956Scael.Sh SYNOPSIS 15*44956Scael.Nm lptest 16*44956Scael.Op Ar length 17*44956Scael.Op Ar count 18*44956Scael.Sh DESCRIPTION 19*44956Scael.Nm Lptest 2019780Smckusickwrites the traditional "ripple test" pattern on standard output. 2119780SmckusickIn 96 lines, 2219780Smckusickthis pattern will print all 96 printable ASCII characters 2319780Smckusickin each position. 2419780SmckusickWhile originally created to test printers, it is quite 2519780Smckusickuseful for testing terminals, 2619780Smckusickdriving terminal ports for debugging purposes, 2719780Smckusickor any other task where a quick supply of random data is needed. 28*44956Scael.Pp 29*44956ScaelThe 30*44956Scael.Ar length 31*44956Scaelargument specifies the output line length if the the default 3219780Smckusicklength of 79 is inappropriate. 33*44956Scael.Pp 3419780SmckusickThe 35*44956Scael.Ar count 3619780Smckusickargument specifies the number of output lines to be generated if 3719780Smckusickthe default count of 200 is inappropriate. 38*44956ScaelNote that if 39*44956Scael.Ar count 4019780Smckusickis to be specified, 41*44956Scael.Ar length 4219780Smckusickmust be also be specified. 43*44956Scael.Sh HISTORY 44*44956Scael.Nm Lptest 45*44956Scaelappeared in 4.3 BSD. 46