Index: sources/storage/FileHandler.h
===================================================================
diff -u -rca40cfec5ff6b63d4685ceb2e62ebe9366adcfd0 -r170fd9a04fab2e2ba96bdc16ca39f86789895937
--- sources/storage/FileHandler.h	(.../FileHandler.h)	(revision ca40cfec5ff6b63d4685ceb2e62ebe9366adcfd0)
+++ sources/storage/FileHandler.h	(.../FileHandler.h)	(revision 170fd9a04fab2e2ba96bdc16ca39f86789895937)
@@ -69,6 +69,7 @@
     static int  removeFiles (const QStringList &vFolders, const QStringList &vNameFilter, const QDate &vDateOlderThan);
     static bool makeFolder  (const QString     &vFolder);
     static bool isMounted   (const QString     &vPath, bool *vIsReadOnly = nullptr);
+    static bool append      (const QString     &vSource , const QString     &vTarget    , bool vRemoveSource);
 
     static bool tmpUsable   ();