I have problem when I am deleting QProcesses and I dont get any output. If I comment out deleteLater() method to delete processes I get right output in the form of string as expected. I have tried to use delete and deleteLater to delete processes. But something is still going wrong. I have created two seperate process to read data from external scripts. I am using QT3.
Qt Code: 
  1. //Declared member Functions globally.
  2. QString strFirstProcess;
  3. QString strSecondProcess;
  4. QProcess process1;
  5. QProcess process2;
  6.  
  7. QString CMainTemplate::CreateControls()
  8.  
  9. {
  10. lineEdit->setText(GetFirstProcess());
  11. lineEdit2->setText(GetSecondProcess());
  12. }
  13.  
  14. //...FIRST PROCESS
  15. QString CMainTemplate::GetFirstProcess()	
  16.  
  17. {	
  18.  
  19. 	process= new QProcess(this);
  20.  
  21. 	//Add the arguments
  22. 	process1->addArgument( "/bash" );
  23. 	process->addArgument("GetFirstScript");
  24.  
  25.  
  26. 	if ( !process->start() )
  27. 		{
  28. 			qDebug("ERROR: First Process Never Started");
  29. 			process->deleteLater();
  30. 		}
  31.  
  32. 	connect(process, SIGNAL(readyReadStdout()), this, SLOT(readFirstProcess()));
  33.  
  34. 	return strFirstProcess;
  35.  
  36. }
  37. //...SECOND PROCESS
  38. QString CMainTemplate::GetSecondProcess()	
  39.  
  40. {	
  41.  
  42. 	process1= new QProcess(this);
  43.  
  44. 	//Add the arguments
  45. 	process1->addArgument( "/bash" );
  46. 	process1->addArgument("GetSecondScript");
  47.  
  48.  
  49. 	if ( !process1->start() )
  50. 		{
  51. 			qDebug("ERROR: Second Process Never Started");
  52. 			process1->deleteLater();
  53. 		}
  54.  
  55. 	connect(process1, SIGNAL(readyReadStdout()), this, SLOT(readSecondProcess()));
  56.  
  57. 	return strSecondProcess;
  58.  
  59. }
  60. //=====================SLOTS TO READ STD OUT ===================================================
  61.  
  62. void CMainTemplate::readFirstProcess()
  63. {
  64. 	QString str =  process->readStdout() ;
  65. 	strFirstProcess = str;
  66. 	process->deleteLater();
  67. } 
  68. void CMainTemplate::readSecondProcess()
  69.  
  70. {
  71. 	QString str =  process1->readStdout() ;
  72. 	strSecondProcess = str;
  73. 	process1->deleteLater();
  74. }
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