#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <X11/Xlib.h>

int main(int argc, char * argv[])
{
	Display * dpy = NULL;
	Window win = 0;
	size_t length = 0;
	ssize_t bytes_read = 0;
	char * input = NULL;

	dpy = XOpenDisplay(getenv("DISPLAY"));
	if (dpy == NULL)
	{
		fprintf(stderr, "Can't open display, exiting.\n");
		exit(1);
	}
	win = DefaultRootWindow(dpy);

	while ((bytes_read = getline(&input, &length, stdin)) != EOF)
	{
		input[strlen(input) - 1] = '\0';
		XStoreName(dpy, win, input);
		XFlush(dpy);
	}
	free(input);
	return 0;
}