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#include <iostream>
#include <iomanip>
#include <fstream>
using std::ofstream;
ofstream fout3("/home/wang/Desktop/teleop_control.txt");
fout3<<twist.linear.x<<" "<< twist.angular.z<<std::endl;
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原文地址:http://www.cnblogs.com/cj2014/p/5252648.html