nautilus_is_file_roller_installed (void)
{
	static int installed = - 1;

	if (installed < 0) {
		if (g_find_program_in_path ("file-roller")) {
			installed = 1;
		} else {
			installed = 0;
		}
	}

	return installed > 0 ? TRUE : FALSE;
}
nautilus_is_file_roller_installed (void)
{
	static int installed = - 1;

	if (installed < 0) {
		if (g_find_program_in_path ("file-roller")) {
			installed = 1;
		} else {
			installed = 0;
		}
	}

	return installed > 0 ? TRUE : FALSE;
}