Pipe :: Class for running a system command and capturing output, automatically closing when it goes out of scope

example.cpp

auto pipe = std::make_shared<Pipe>();
auto pfp = pipe->open(argument, "r");

while (fgets(syscom, 120, pfp) != NULL)
    cout << syscom;

Pipe.h

class Pipe {
   public:
      Pipe() {};
      Pipe(char *command, char *mode) {
         open(command, mode);
      };
      ~Pipe() {
         if (pfp)
            pclose(pfp);
      };

      FILE *open(char *command, char *mode) {
         if (!(pfp = popen(command, mode)))
            throw Exception("Error opening pipe");

         return pfp;
      };

      FILE *fhandle() { return pfp; };

   private:
      FILE *pfp = nullptr;
};