Index: sources/storage/FileHandler.h
===================================================================
diff -u -r5687815256ae070a9a207107088e3f72dd464da0 -r45a6996f6643db2f20520ba60e952c647b2d0501
--- sources/storage/FileHandler.h	(.../FileHandler.h)	(revision 5687815256ae070a9a207107088e3f72dd464da0)
+++ sources/storage/FileHandler.h	(.../FileHandler.h)	(revision 45a6996f6643db2f20520ba60e952c647b2d0501)
@@ -62,12 +62,14 @@
     static bool read        (const QString &vFileName,       QString &vContent, bool vAppend = false);
 
     static int  backupFile  (const QString     &vSource);
+    static int  backupFile  (const QString     &vPrepend, const QString     &vDestination);
     static int  copyFolder  (const QString     &vSource , const QString     &vDestination);
     static int  moveFolder  (const QString     &vSource , const QString     &vDestination);
     static int  removeFolder(const QString     &vFolder);
     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   ();