Function main

lib/tiny-process/examples.cpp:7–234

using namespace TinyProcessLib;

int main() {
#if !defined(_WIN32) || defined(MSYS_PROCESS_USE_SH)
  // The following examples are for Unix-like systems and Windows through MSYS2


  cout << "Example 1a - the mandatory Hello World through a command" << endl;
  Process process1a("echo Hello World", "", [](const char *bytes, size_t n) {
    cout << "Output from stdout: " << string(bytes, n);
  });
  auto exit_status = process1a.get_exit_status();
  cout << "Example 1a process returned: " << exit_status << " (" << (exit_status == 0 ? "success" : "failure") << ")" << endl;
  this_thread::sleep_for(chrono::seconds(2));


  cout << endl
       << "Example 1b - Hello World using arguments" << endl;
  Process process1b(vector<string>{"/bin/echo", "Hello", "World"}, "", [](const char *bytes, size_t n) {
    cout << "Output from stdout: " << string(bytes, n);
  });
  exit_status = process1b.get_exit_status();
  cout << "Example 1b process returned: " << exit_status << " (" << (exit_status == 0 ? "success" : "failure") << ")" << endl;
  this_thread::sleep_for(chrono::seconds(2));


#ifndef _WIN32
  cout << endl
       << "Example 1c - Hello World through a function on Unix-like systems" << endl;
  Process process1c(
      [] {
        cout << "Hello World" << endl;
        exit(0);
      },
      [](const char *bytes, size_t n) {
        cout << "Output from stdout: " << string(bytes, n);
      });
  exit_status = process1c.get_exit_status();
  cout << "Example 1c process returned: " << exit_status << " (" << (exit_status == 0 ? "success" : "failure") << ")" << endl;
  this_thread::sleep_for(chrono::seconds(2));
#endif


  cout << endl
       << "Example 2 - cd into a nonexistent directory" << endl;
  Process process2(
      "cd a_nonexistent_directory", "",
      [](const char *bytes, size_t n) {
        cout << "Output from stdout: " << string(bytes, n);
      },
      [](const char *bytes, size_t n) {
        cout << "Output from stderr: " << string(bytes, n);
        // Add a newline for prettier output on some platforms:
        if(bytes[n - 1] != '\n')
          cout << endl;
      });
  exit_status = process2.get_exit_status();
  cout << "Example 2 process returned: " << exit_status << " (" << (exit_status == 0 ? "success" : "failure") << ")" << endl;
  this_thread::sleep_for(chrono::seconds(2));