Gpl2array reds;

void setup() {

size(255,255);

reds = new Gpl2array("Reds.gpl");

//reds.palette = sort(reds.palette);
}

void draw() {

for (int i=0; i<reds.palette.length; i++) {


stroke(reds.palette[i]);


line(0,i,width,i);

}
}

class Gpl2array {
	color palette[];
	int offset = 4;	
	Gpl2array(String filename) {
		String lines[] = loadStrings(filename);
		palette = new color[lines.length-offset];
		for (int i=offset; i < lines.length; i++) {
			String line[] = splitTokens(lines[i]);	
			color colour = color( int(line[0]), int(line[1]), int(line[2]) );
			palette[i-offset] = colour;
		}		
	}	
}