How to use a file to setup a QProgressDialog, Thanks

[talk2amulya]

could you show the written file..i wanna see where it is missing..or u can use qDebug to print all lines that u r reading and showing...then show me the output

[HelloDan]

could you show the written file..i wanna see where it is missing..or u can use qDebug to print all lines that u r reading and showing...then show me the output

Thanks!
for example, the inputfile format is :
20040101 C 0 C 0 C 0 ENE 10 -1 11 0 0 -1 11 0 0
20040102 WSW 10 NW 30 NNW 30 NNW 10 -1 7 0 0 -1 6 0 0
20040103 NNW 20 C 0 SSE 20 SE 30 -1 8 0 0 -1 0 0 0
20040104 C 0 NE 10 S 20 SSW 10 -1 7 6 0 -1 0 0 0
20040105 E 10 C 0 S 20 C 0 -1 9 0 0 -1 0 0 0
20040106 E 10 NNW 20 SW 10 NNW 10 -1 10 6 0 -1 10 0 0


but the output one is only one line when the input data size is small.:
20040101 C 0 C 0 C 0 ENE 10 -1 11 0 0 -1 11 0 0


How to use a qDebug() in a GUI programming? I can make it in a console window, but fail in a GUI one. Maybe it's to fast, how I can make it pause? like system("pause");

Thanks!

[HelloDan]

while(file.pos()<file.size())  //-->
while(in.pos()<file.size())

while(file.pos()<file.size())  //-->
while(in.pos()<file.size())

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Somebody had helped me to solve the problem.


By the way, it's that any way to reuse output file name and QTextStream name? Such as:

if(month!=list.at(0))
{
QFile monthFile(outDirName+QDir::separator()+list.at(0)+".txt");
QTextStream monthOut(&monthFile);
month=list.at(0);
}
 
monthOut<<list.at(0)<<'\t'<<list.at(1)<<'\t'<<list.at(2)<<"\n";

if(month!=list.at(0))
{
QFile monthFile(outDirName+QDir::separator()+list.at(0)+".txt");
QTextStream monthOut(&monthFile);
month=list.at(0);
}

monthOut<<list.at(0)<<'\t'<<list.at(1)<<'\t'<<list.at(2)<<"\n";

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In my previous standard C++ code, I do it in this way:

while(getline(ifile, str))
{
filename = str.substr(0, 6)+".txt";
ofstream ofile(filename.c_str(), ios_base::app);
str.erase(0,10);
ofile << str << endl;
ofile.close();
}

while(getline(ifile, str))
{
filename = str.substr(0, 6)+".txt";
ofstream ofile(filename.c_str(), ios_base::app);
str.erase(0,10);
ofile << str << endl;
ofile.close();
}

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But I do think that reopen and reclose a file in this way is not a wise choice. But i can not work out a better method.

There are lots of problem to learn in practical experiment. Thanks sincerely to all the friends help me.

[wysota]

If you store the name in some variable, you can use it later. Or you can call QFile::fileName() to retrieve the name from the QFile object.