the worst hr script ever

hr

#!/bin/awk -f
BEGIN {
	"tput cols" | getline cols;
	length(ARGV[1]) == 0 ? s = "▄" : s = ARGV[1];
	for (colnum = 0; colnum<cols; colnum++) {
		r = 255-(colnum*255/cols);
		g = (colnum*510/cols);
		b = (colnum*255/cols);
		if (g>255) g = 510-g;
		printf "\033[48;2;%d;%d;%dm", r,g,b;
		printf "\033[38;2;%d;%d;%dm", xor(r,255),xor(g,255),xor(b,255);
		printf "%s\033[0m", s;
	}
	printf "\n";
}

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