From d0a1135f00f21a8d1bbe21391a56fac7cb820d36 Mon Sep 17 00:00:00 2001 From: Shawn Rutledge Date: Tue, 9 May 2017 12:43:43 +0200 Subject: [PATCH] QDirIterator docs: add a cool recursive file-finding snippet This is one of the main use cases for QDirIterator, but it wasn't obvious enough that it's possible. Change-Id: Idae11cfe75dd0e16f1a960bba2470b1695d11241 Reviewed-by: Robin Burchell --- .../doc/snippets/code/src_corelib_io_qdiriterator.cpp | 9 +++++++++ src/corelib/io/qdiriterator.cpp | 4 ++++ 2 files changed, 13 insertions(+) diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qdiriterator.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qdiriterator.cpp index 7a6ffeae06..31442a5516 100644 --- a/src/corelib/doc/snippets/code/src_corelib_io_qdiriterator.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_io_qdiriterator.cpp @@ -60,3 +60,12 @@ while (it.hasNext()) { // ... } //! [0] + +//! [1] +QDirIterator it("/sys", QStringList() << "scaling_cur_freq", QDir::NoFilter, QDirIterator::Subdirectories); +while (it.hasNext()) { + QFile f(it.next()); + f.open(QIODevice::ReadOnly); + qDebug() << f.fileName() << f.readAll().trimmed().toDouble() / 1000 << "MHz"; +} +//! [1] diff --git a/src/corelib/io/qdiriterator.cpp b/src/corelib/io/qdiriterator.cpp index b1d920c6ee..648593b020 100644 --- a/src/corelib/io/qdiriterator.cpp +++ b/src/corelib/io/qdiriterator.cpp @@ -56,6 +56,10 @@ \snippet code/src_corelib_io_qdiriterator.cpp 0 + Here's how to find and read all files filtered by name, recursively: + + \snippet code/src_corelib_io_qdiriterator.cpp 1 + The next() function returns the path to the next directory entry and advances the iterator. You can also call filePath() to get the current file path without advancing the iterator. The fileName() function returns