src/main.cpp


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#include <QApplication>
#include <fstream>
#include "mainwindow.h"


int main(int argc, char *argv[])
{
  // First check parameter count
  if (argc != 3)
      return 2;

  // Check if file exists
  std::fstream f;
  try {
    f.open(argv[2], std::ios::in);
  } catch (std::fstream::failure e) {
    return 3;
  }
  f.close();

  QApplication a(argc, argv);
  MainWindow w(argv);
  w.show();
  return a.exec();
}