Although it is called QFileInfo, QFileInfo not only handle files but also directories. This function is often used to traverse all items under a directory including files and sub-directories.

QFileInfo::fileName() returns the name of a file or a directory(no ending slash). The special cases are . for current dir and .. for parent dir.

QFileInfo::filePath() returns the dir+name of a file or a dir(no ending slash).

Even you use Qdir::setFilter(QDir::Files), QDir::entryInfoList() also returns the list that include . and ..

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