Add calculating stats with script

batchprocessing.cpp

@@ -1,5 +1,6 @@
 #include "batchprocessing.h"
 #include "ui_batchprocessing.h"
+#include <functional>
 #include <QDir>
 #include <QFileDialog>
 #include <QStandardPaths>
@@ -16,28 +17,30 @@
 #include <QMessageBox>
 #endif
 
-void scanDirectory(const QString &path, QStringList &files)
-{
-    QFileInfo info(path);
-    if(info.isDir())
-    {
-        QDir dir(path);
-        QStringList entries = dir.entryList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
-        for(QString &entry : entries)
-            scanDirectory(dir.absoluteFilePath(entry), files);
-    }
-    else if(info.isFile())
-    {
-        files.append(path);
-    }
-}
-
 QStringList scanDirectories(const QStringList &paths)
 {
     QStringList files;
+    QStringList scannedDirs;
+
+    std::function<void(const QString &path)> scanDirectory = [&](const QString &path)
+    {
+        QFileInfo info(path);
+        if(info.isDir() && !scannedDirs.contains(info.canonicalPath()))
+        {
+            scannedDirs.append(info.canonicalPath());
+            QDir dir(path);
+            QStringList entries = dir.entryList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
+            for(QString &entry : entries)
+                scanDirectory(dir.absoluteFilePath(entry));
+        }
+        else if(info.isFile())
+        {
+            files.append(path);
+        }
+    };
 
     for(const QString &path : paths)
-        scanDirectory(path, files);
+        scanDirectory(path);
 
     return files;
 }
@@ -205,7 +208,7 @@ void BatchProcessing::scriptFinished()
     _ui->startButton->setEnabled(true);
     _ui->stopButton->setEnabled(false);
     qDebug() << "script finished";
-    delete _engineThread;
+    _engineThread->deleteLater();
     _engineThread = nullptr;
 }