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if (!file.open(QIODevice::WriteOnly ) )
	       return;
   QDataStream outfile(&file);   
   QStringList output;
   QProcess *process = new QProcess();
   QString cmd= "/usr/local/mysql/bin/mysqldump";
   QStringList args;

   args << " --single-transaction DB -uuser -ppasswd -h host";
   std::cout<<"try to open: "<<cmd.toStdString()<<std::endl;
   process->start(cmd, args);

   if (!process->waitForStarted() )
      std::cout<<"process couldn't get opened"<<std::endl;

   // wait for finishing of the process
   process->waitForFinished();
   QTextStream *txt_stream = new QTextStream(process);

   while(!txt_stream->atEnd() )
   {
      std::cout<<"read output: ";
      QString tmp_str = txt_stream->readLine();
      output.append(tmp_str);
      std::cout<<tmp_str.toStdString()<<std::endl;

      if(txt_stream->atEnd() )
      {
         process->close();
         std::cout<<"process finished: "<<std::endl;
         outfile << output;     
      }
   }

Code: Alles auswählen

argv << "$Datenbank"<< "-u$user"<< "-p$password"<< "-h$host";

Code: Alles auswählen

myprocess->readAllStandardError();

Code: Alles auswählen

args << " --single-transaction DB -uuser -ppasswd -h host";