Run executable from within C++/Qt

[timmu]

Dear Santosh,

Thank you for your help.
The following code compiled and executed:

QObject *parent;
     QString program = "./ent";
     QStringList arguments;
     arguments << "-b" << "-t" << "input.txt";
 
     QProcess *myProcess = new QProcess(parent);
     myProcess->start(program, arguments);

QObject *parent;
     QString program = "./ent";
     QStringList arguments;
     arguments << "-b" << "-t" << "input.txt";

     QProcess *myProcess = new QProcess(parent);
     myProcess->start(program, arguments);

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1. However I now need to catch the results into a QString. What is the best way to do that?

2. Also, can I be certain that the rest of the program waits before this process is executed and
what happens if some error happens. How to catch an error?

Thanks!