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C++ Backend Charts Demo App

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 #include "filereader.h"

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

 QString FileReader::readFile(const QString &fileName)
 {
     QString content;
     QFile file(fileName);
     if (file.open(QIODevice::ReadOnly)) {
         QTextStream stream(&file);
         content = stream.readAll();