QProcess issue in executing a exe with command line arguments

[nikhilqt]

Hi,

I have a issue in setting the QProcess to run executable with the arguments. The Qt code for the same is as below,

QProcess*  processSQLDB = new QProcess(this);
 
// some path where i require the output
processSQLDB->setWorkingDirectory(sToolAccessfilepath); 
 
QString sExeName = "\"D:/app 1/app.exe\"";
 
QStringList sArgs;
sArgs << "DBFile.db";
sArgs << "<";
sArgs << sDataFileName;
 
processSQLDB->start( sExeName ,  sArgs);
 
if (!processSQLDB->waitForStarted())
      return false;
 
// to display stdout, stderr,this gives an empty string
qDebug() << processSQLDB->readAll();

QProcess*  processSQLDB = new QProcess(this);

// some path where i require the output
processSQLDB->setWorkingDirectory(sToolAccessfilepath); 

QString sExeName = "\"D:/app 1/app.exe\"";

QStringList sArgs;
sArgs << "DBFile.db";
sArgs << "<";
sArgs << sDataFileName;

processSQLDB->start( sExeName ,  sArgs);

if (!processSQLDB->waitForStarted())
      return false;

// to display stdout, stderr,this gives an empty string
qDebug() << processSQLDB->readAll();

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The output of this snippet is the creation of the file "DBFile.db". But it is not happening. Am i doing any mistake?

But if i goto cmd prompt and execute the same thing like.,

c:/> "D:/app 1/app.exe" DBFile.db < sDataFileName. This works perfectly.