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1.1 ! root 1: .\" Copyright (c) 1985, 1990 The Regents of the University of California. ! 2: .\" All rights reserved. ! 3: .\" ! 4: .\" Redistribution and use in source and binary forms are permitted provided ! 5: .\" that: (1) source distributions retain this entire copyright notice and ! 6: .\" comment, and (2) distributions including binaries display the following ! 7: .\" acknowledgement: ``This product includes software developed by the ! 8: .\" University of California, Berkeley and its contributors'' in the ! 9: .\" documentation or other materials provided with the distribution and in ! 10: .\" all advertising materials mentioning features or use of this software. ! 11: .\" Neither the name of the University nor the names of its contributors may ! 12: .\" be used to endorse or promote products derived from this software without ! 13: .\" specific prior written permission. ! 14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 17: .\" ! 18: .\" @(#)lptest.1 6.5 (Berkeley) 7/24/90 ! 19: .\" ! 20: .Dd July 24, 1990 ! 21: .Dt LPTEST 1 ! 22: .Os BSD 4.3 ! 23: .Sh NAME ! 24: .Nm lptest ! 25: .Nd generate lineprinter ripple pattern ! 26: .Sh SYNOPSIS ! 27: .Nm lptest ! 28: .Op Ar length ! 29: .Op Ar count ! 30: .Sh DESCRIPTION ! 31: .Nm Lptest ! 32: writes the traditional "ripple test" pattern on standard output. ! 33: In 96 lines, ! 34: this pattern will print all 96 printable ASCII characters ! 35: in each position. ! 36: While originally created to test printers, it is quite ! 37: useful for testing terminals, ! 38: driving terminal ports for debugging purposes, ! 39: or any other task where a quick supply of random data is needed. ! 40: .Pp ! 41: The ! 42: .Ar length ! 43: argument specifies the output line length if the the default ! 44: length of 79 is inappropriate. ! 45: .Pp ! 46: The ! 47: .Ar count ! 48: argument specifies the number of output lines to be generated if ! 49: the default count of 200 is inappropriate. ! 50: Note that if ! 51: .Ar count ! 52: is to be specified, ! 53: .Ar length ! 54: must be also be specified. ! 55: .Sh HISTORY ! 56: .Nm Lptest ! 57: appeared in 4.3 BSD.
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