Open QFile for appending

by

Open the file in QIODevice::Append mode:

QFile f(...);
if (f.open(QIODevice::WriteOnly | QIODevice::Append)) {
  ...
}

See also the documentation.

More Related Contents:

  1. Non-blocking worker – interrupt file copy
  2. class->methode1()->methode2() what does it mean? [closed]
  3. Why QFile(“./test”) work though [Class QFile] has no QFile(char* s) constructor
  4. Connecting overloaded signals and slots in Qt 5
  5. Sending a sequence of commands and wait for response
  6. How to use the Qt’s PIMPL idiom?
  7. the procedure entry point __gxx_personality_v0 could not be located
  8. Qt5 Static Build yields Failed to load platform plugin “windows”
  9. QtCore.QObject.connect in a loop only affects the last instance
  10. Qt signals (QueuedConnection and DirectConnection)
  11. How to leverage Qt to make a QObject method thread-safe?
  12. How to deploy a Qt application on Windows?
  13. Where can I get a copy of the file libstdc++.so.6.0.15 [closed]
  14. How do I get a list of files in a directory in C++? [duplicate]
  15. How to append text to QPlainTextEdit without adding newline, and keep scroll at the bottom?
  16. write and read string to binary file C++
  17. Is there any way to building static Qt with static OpenSSL?
  18. Windows C++ compiler with full C++11 support (should work with Qt) [closed]
  19. Command working in terminal, but not via QProcess
  20. (Qt 5.4.1) This application failed to start because it could not find or load the Qt platform plugin “xcb”
  21. Changing locale in Qt
  22. Paint a rect on qglwidget at specifit times
  23. CopyFileEx with progress callback in Qt
  24. Qt – Determine absolute widget and cursor position
  25. QScrollArea with dynamically changing contents
  26. Columns auto-resize to size of QTableView
  27. How to call function after window is shown?
  28. QT QWebEnginePage::setWebChannel() transport object
  29. Do I get a finished slot if I start QProcess using startDetached
  30. Sort filenames naturally with Qt

Leave a Comment