Calculate how many different IP in painttyServer's log.

main.cpp

#include <QCoreApplication>
#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QStringList>
#include <QDebug>

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    while(argc-- > 1){
        QFile file(QString::fromLocal8Bit(argv[argc]));
        bool is_open = file.open(QIODevice::ReadOnly);
        if(!is_open){
            qDebug()<<"Cannot open file!";
            return 0;
        }
        QTextStream stream(&file);
        QStringList list;
        while(!stream.atEnd()){
            QString line = stream.readLine();
            line = line.remove(0, 78);
            list.append(line);
        }
        list.removeDuplicates();
        QFileInfo fi(file.fileName());
        qDebug()<<fi.fileName()<<"has"<<list.length()<<"different IP.";
    }

    return a.exec();
}