Write one value per line in text file

[babygal]

What is the point of lines 9 and 10 in the above code?

No point for lines 9 and 10 actually. Can be removed.

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Added after 4 minutes:

...
may i know , what is the type of Results?

Results is a public member of class clResults in this scope :

public :
clResults Results;

public :
clResults Results;

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Added after 12 minutes:

#include <QtCore>
 
int main(){
    QFile f("res.txt");
    f.open(QFile::WriteOnly|QFile::Truncate|QFile::Text);
    QTextStream str(&f);
    QStringList list;
    list << "abc" << "def" << "ghi";
    foreach(const QString &s, list){
      str << s << endl;
    }
    return 0;
}

#include <QtCore>

int main(){
    QFile f("res.txt");
    f.open(QFile::WriteOnly|QFile::Truncate|QFile::Text);
    QTextStream str(&f);
    QStringList list;
    list << "abc" << "def" << "ghi";
    foreach(const QString &s, list){
      str << s << endl;
    }
    return 0;
}

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Your code as above works fine. It can do what I want. Thank you so much for the useful post.