writes	the traditional "ripple test" pattern on standard output.
In 96 lines, this pattern will print all 96 printable  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 argument specifies	the  output  line
length	if  the  the  default length of 79 is inappropriate.  The
argument specifies the number of output lines to be generated  if
the default count of 200 is inappropriate.  Note that if is to be
specified, must be also be specified.  appeared in



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