i want to execute the script file in qt,i used Qprocess to execute my script file.i getting error "premission denied",so i used chmod methos to execute my script file in qt,after that i execute my qt,,again i getting same error,please help me to recover thsi problem
Thanks in advance
my code below:
Qt Code: 
  1. int Widget::call()
  2. {
  3.     if(directory1.exists(folder))
  4.     {
  5.         qDebug()<<"directory exist";
  6.         directory1.cd(folder);
  7.         QProcess opendir;
  8.         QStringList arguments;
  9.         QString program = folder;// "/home/digital"
  10.         arguments <<"./samp.sh"; //"textfile"
  11.         opendir.start(program, arguments);
  12.         opendir.setProcessChannelMode(QProcess::ForwardedChannels);     
  13.         status = opendir.waitForFinished();
  14.         if (!status)
  15.         {
  16.             qDebug()<< opendir.errorString()<<"error";         
  17.             return FAIL;
  18.         }
  19.         else
  20.         {
  21.             return SUCCESS;
  22.         }
  23.     }
  24.     else
  25.     {
  26.         qDebug()<<"diretory not exist";
  27.     }
  28.  
  29. }
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