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30 .\" @(#)lptest.1 8.2 (Berkeley) 12/30/93
37 .Nd generate lineprinter ripple pattern
40 .Op Ar length Op Ar count
43 writes the traditional "ripple test" pattern on standard output.
45 this pattern will print all 96 printable
49 While originally created to test printers, it is quite
50 useful for testing terminals,
51 driving terminal ports for debugging purposes,
52 or any other task where a quick supply of random data is needed.
56 argument specifies the output line length if the default
57 length of 79 is inappropriate.
61 argument specifies the number of output lines to be generated if
62 the default count of 200 is inappropriate.
67 must be also be specified.