/// returns time of last write access
std::time_t lastModified() const;
/// generates a checksum of a file
- unsigned long checksum() const;
+ virtual unsigned long checksum() const;
/// return true when file is readable but not writabel
bool isReadOnly() const;
/// return true when it names a directory
/// return true when file/directory is readable
bool isReadableDirectory() const;
/// return true when it is a file and readable
- bool isReadableFile() const;
+ virtual bool isReadableFile() const;
/// return true when file/directory is writable
bool isWritable() const;
/// return true when file/directory is writable (write test file)