stem()+p.extension() == p.filename()。 示例运行此代码 #include <experimental/filesystem> #include <iostream> namespace fs = std::experimental::filesystem; int main() { std::cout << fs::path("/foo/bar.txt").extension() << '\n' << fs::path("/foo/bar.").extension() << '...
#include <iostream> #include <filesystem> namespace fs = std::filesystem; int main() { std::cout << fs::path("/foo/bar.txt").extension() << '\n' << fs::path("/foo/bar.").extension() << '\n' << fs::path("/foo/bar").extension() << '\n' << fs::path("/foo/...
#include <filesystem> #include <iostream> namespace fs = std::filesystem; int main() { std::cout << fs::path("/foo/bar.txt").extension() << '\n' << fs::path("/foo/bar.").extension() << '\n' << fs::path("/foo/bar").extension() << '\n' << fs::path("/foo/ba...
parent_path() 获取父路径 /home/user/documents filename() 获取文件名 file.txt extension() 获取文件扩展名 .txt stem() 获取不带扩展名的文件名 file 这些方法都是C++ Filesystem库中用于路径解析的基础工具,掌握它们能让你在文件和目录操作中更加得心应手。 “The shortest answer is doing.” - Lord ...
#include <filesystem> #include <iostream> namespace fs = std::filesystem; int main() { fs::path p = "foo/bar/old.txt"; fs::path p1 = "foo/bar"; std::cout << std::boolalpha << p.has_extension() << " " << p1.has_extension() << std::endl; //获取拓展名 std::cout ...
path& replace_extension( const path& replacement = path() ); (1) (since C++17) 将扩展替换为replacement的默认值时移除replacement被使用了。 首先,如果这条路径有一个extension(),它被移除了。 然后,如果replacement不是空的,也不是以点字符开头的。
1) path.string() 输出字符串形式的路径 2) path.stem() 文件名,不带扩展名 3) path.extension() 返回文件扩展名 更详细的内容见这里。 二、文件和目录 该部分包括下列函数: boost::filesystem::status(path) 查询文件或目录的状态,返回的是boost::filesystem::file_status类型的对象 ...
| parent_path | returns the path of the parent path (public member function) | | filename | returns the filename path component (public member function) | | stem | returns the stem path component (public member function) | | extension | returns the file extension path component (public ...
path, classe recursive_directory_iterator, classe space_info, struct <forward_list> <fstream> <functional> <future> <hash_map> <hash_set> <initializer_list> <iomanip> <ios> <iosfwd> <iostream> <iterator> <limits> <list> <locale> <memory> <memory_resource> <mutex> <new> <numeric> ...
#include <iostream> #include <string> #include <boost/filesystem.hpp> using namespace boost::filesystem; inline path operator+(path left, path right){return path(left)+=right;} int main() { path p1 = "/base/path"; path p2 = "/add/this"; std::string extension=".ext"; std::cout...