src_corelib_io_qfileinfo.cpp

Go to the documentation of this file.

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 
    QFileInfo fi("c:/temp/foo"); => fi.absoluteFilePath() => "C:/temp/foo"
 
#ifdef Q_OS_UNIX
 
QFileInfo info1("/home/bob/bin/untabify");
info1.isSymLink();          // returns true
info1.absoluteFilePath();   // returns "/home/bob/bin/untabify"
info1.size();               // returns 56201
info1.symLinkTarget();      // returns "/opt/pretty++/bin/untabify"
 
QFileInfo info2(info1.symLinkTarget());
info2.isSymLink();          // returns false
info2.absoluteFilePath();   // returns "/opt/pretty++/bin/untabify"
info2.size();               // returns 56201
 
#endif
 
 
#ifdef Q_OS_WIN
 
QFileInfo info1("C:\\Users\\Bob\\untabify.lnk");
info1.isSymLink();          // returns true
info1.absoluteFilePath();   // returns "C:/Users/Bob/untabify.lnk"
info1.size();               // returns 63942
info1.symLinkTarget();      // returns "C:/Pretty++/untabify"
 
QFileInfo info2(info1.symLinkTarget());
info2.isSymLink();          // returns false
info2.absoluteFilePath();   // returns "C:/Pretty++/untabify"
info2.size();               // returns 63942
 
#endif
 
 
QFileInfo info("/usr/bin/env");
 
QString path = info.absolutePath(); // path = /usr/bin
QString base = info.baseName(); // base = env
 
info.setFile("/etc/hosts");
 
path = info.absolutePath(); // path = /etc
base = info.baseName(); // base = hosts
 
QFileInfo fi("/tmp/archive.tar.gz");
QString name = fi.fileName();                // name = "archive.tar.gz"
 
 
QFileInfo fi("/Applications/Safari.app");
QString bundle = fi.bundleName();                // name = "Safari"
 
 
QFileInfo fi("/tmp/archive.tar.gz");
QString base = fi.baseName();  // base = "archive"
 
 
QFileInfo fi("/tmp/archive.tar.gz");
QString base = fi.completeBaseName();  // base = "archive.tar"
 
 
QFileInfo fi("/tmp/archive.tar.gz");
QString ext = fi.completeSuffix();  // ext = "tar.gz"
 
 
QFileInfo fi("/tmp/archive.tar.gz");
QString ext = fi.suffix();  // ext = "gz"
 
 
QFileInfo info(fileName);
if (info.isSymLink())
    fileName = info.symLinkTarget();
 
 
QFileInfo fi("/tmp/archive.tar.gz");
if (fi.permission(QFile::WriteUser | QFile::ReadGroup))
    qWarning("I can change the file; my group can read the file");
if (fi.permission(QFile::WriteGroup | QFile::WriteOther))
    qWarning("The group or others can change the file");