#include <iostream>
#include <fstream>
#include <sstream>
#include <string>

int main(int argc, char** argv)
{
    while(true) {

        // Blocking call on named pipes.
        std::ifstream ifs(argv[1]);
        std::stringstream datas;
        datas << ifs.rdbuf();
        ifs.close();

        std::string data = datas.str();

        std::cout << datas.str();
        std::cout.flush();
    }
}