diff options
Diffstat (limited to 'doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp')
-rw-r--r-- | doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp new file mode 100644 index 000000000..7f4bd7a69 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qprocess.cpp @@ -0,0 +1,82 @@ + +def wrapInFunction(): + +//! [0] +builder = QProcess() +builder.setProcessChannelMode(QProcess.MergedChannels) +builder.start("make", QStringList() << "-j2") + +if !builder.waitForFinished(): + qDebug() << "Make failed:" << builder.errorString() +else + qDebug() << "Make output:" << builder.readAll() +//! [0] + + +//! [1] +more = QProcess() +more.start("more") +more.write("Text to display") +more.closeWriteChannel() +#QProcess will emit readyRead() once "more" starts printing +//! [1] + + +//! [2] +command1 | command2 +//! [2] + + +//! [3] +process1 = QProcess() +process2 = QProcess() + +process1.setStandardOutputProcess(process2) + +process1.start("command1") +process2.start("command2") +//! [3] + + +//! [4] +class SandboxProcess(QProcess): + def setupChildProcess(self) + # Drop all privileges in the child process, and enter + # a chroot jail. + os.setgroups(0, 0) + os.chroot("/etc/safe") + os.chdir("/") + os.setgid(safeGid) + os.setuid(safeUid) + os.umask(0) + +//! [4] + + +//! [5] +process = QProcess() +process.start("del /s *.txt") +# same as process.start("del", QStringList() << "/s" << "*.txt") +... +//! [5] + + +//! [6] +process = QProcess() +process.start("dir \"My Documents\"") +//! [6] + + +//! [7] +process = QProcess() +process.start("dir \"\"\"My Documents\"\"\"") +//! [7] + + +//! [8] +environment = QProcess.systemEnvironment() +# environment = {"PATH=/usr/bin:/usr/local/bin", +# "USER=greg", "HOME=/home/greg"} +//! [8] + + |