lptest man page on FreeBSD

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LPTEST(1)		  BSD General Commands Manual		     LPTEST(1)

     lptest — generate lineprinter ripple pattern

     lptest [length] [count]

     The lptest utility writes the traditional "ripple test" pattern on stan‐
     dard output.  In 96 lines, this pattern will print all 96 printable ASCII
     characters in each position.  While originally created to test printers,
     it is quite useful for testing terminals, driving terminal ports for
     debugging purposes, or any other task where a quick supply of random data
     is needed.

     The length argument specifies the output line length if the default
     length of 79 is inappropriate.

     The count argument specifies the number of output lines to be generated
     if the default count of 200 is inappropriate.  Note that if count is to
     be specified, length must be also be specified.

     A lptest utility appeared in 4.3BSD.

BSD			       December 30, 1993			   BSD

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