/*
  New, improved, efficient, flexible ripple program.
  Usage: ripple [ w [ l ] ]
  w = screen line width, default 80, must be > 0.
  l = how many lines to display, default 1000, must be > 0.
*/

char *p =
" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\
^_`abcdefghijklmnopqrstuvwxyz{|}~ !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGH\
IJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";

char *crlf = "\015\012";

main(argc,argv) int argc; char *argv[]; {
    int i, j, k, x;
    int w = 80;
    int l = 1000;

    if (argc > 1)			/* User-specified width */
      w = atoi(argv[1]);
    if (argc > 2)			/* User-specified number of lines */
      l = atoi(argv[2]);
    if (w < 1 || l < 1)			/* Quit upon conversion error */
      exit(1);

    for (j = i = 0; i < l; i++) {	/* Ripple loop */
/*
	write(1, p+j, w);
	write(1, crlf, 2);
*/
	for (k = 0; k < w; k++) {
	    x = *(p+j+k);
	    printf("%c[3%c;4%cm%c",27,
		   (char)((8 - (x % 8)) + '0'),
		   (char)((x % 8) + '0'),
		   x);
	}
	printf("\n");
	if (++j > 94) j = 0;
    }
    printf("%c[0m",27);
}