test

for test

#include <ros/ros.h> #include <std_msgs/String.h> #include

int main(int argc, char **argv) { ros::init(argv, argv, "hello_world_node"); ros::NodeHandle nh; ros::Publisher chatter_pub = nh.advertise<std_msgs::String>("say_hello_world", 1000); ros::Rate loop_rate(10); int count = 0;

while (ros::ok())
{
    std_msgs::String msg;
    std::stringstream ss;
    ss<<"hello world!" << count;
    msg.data = ss.str();
    ROS_INFO("%s" , msg.data.c_str());
    chatter_pub.publishi(msg);
    ros::spinOnce();
    loop_rate.sleep();
    ++count;
}
return 0;

}