Helloros.cpp

#include "ros/ros.h"
#include "std_msgs/String.h"
#include "sstream"


int main(int argc, char **argv)
{
	ros::init(argc,argv,"talker");
	ros::NodeHandle n;
	ros::Publisher pub= n.advertise<std_msgs::String>("greetings",1000);
	ros::Rate loop_rate(10);
	int count =0; 
	while(ros::ok())
	{
		std_msgs::String msg;
		std::stringstream ss;
		ss<<"Hello ROS"<<count;
		msg.data=ss.str();
		ROS_INFO("%s", msg.data.c_str());
		pub.publish(msg);
		ros::spinOnce();
		loop_rate.sleep();
		++count;
	}
	return 0;
}