[Solved] C++ Open software with argument

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To start a different software than your own program (with or without arguments) you can use system() from <cstdlib> header.

#include <cstdlib>
int main(int argc, char* argv[]) {
  system("start putty -ssh user@server -pw password");
  return 0;
}

If you want to evaluate the arguments to your own program, you can use argv[]. argv[0] holds the name/path of your program, and argv[1] ... argv[argc-1] the actual arguments i.e. 

#include <cstring>
#include <iostream>

int main(int argc, char* argv[]) {
  if ((argc > 1) && (!strcmp(argv[1], "-help"))) {
    std::cout << "Showing help" << std::endl;
  }
  return 0;
}

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solved C++ Open software with argument