C++ 文件系統庫 std::filesystem::path 在標頭 <filesystem> 定義 class path; (C++17 起) 類型path 的對象表示文件系統上的路徑。只有路徑的語法外觀得到處理:路徑名可能表示不存在的路徑,或甚至不允許存在於當前文件系統或操作系統的路徑。 路徑名擁有下列語法: 根名(可選):標識具有多根的文件系統(如 ...
#include <filesystem> #include <iostream> namespace fs = std::filesystem; int main() { fs::path p1 = "/usr/lib/sendmail.cf"; // portable format fs::path p2 = "C:\\users\\abcdef\\AppData\\Local\\Temp\\"; // native format fs::path p3 = U"D:/猫.txt"; // UTF-32 stri...
#include <filesystem> #include <iostream> namespace fs = std::filesystem; int main() { fs::path p = fs::current_path(); std::cout << "当前路径 " << p << " 分解为:\n" << "根路径 " << p.root_path() << '\n' << "相对路径 " << p.relative_path() << '\n'; }...
path(); (1) (filesystem TS) path( const path& p ); (2) (filesystem TS) path( path&& p ); (3) (filesystem TS) template< class Source > path( const Source& source ); (4) (filesystem TS) template< class InputIt > path( InputIt first, InputIt last ); (5) (file...
../ggml/src/libggml.so: undefined reference to `std::filesystem::__cxx11::path::_List::_Impl_deleter::operator()(std::filesystem::__cxx11::path::_List::_Impl*) const@GLIBCXX_3.4.26' ../ggml/src/libggml.so: undefined reference to `std::filesystem::__cxx11::directory_iterat...
filesystem::__cxx11::filesystem_error' /usr/bin/ld: ../../ggml/src/libggml.so: undefined reference to `std::filesystem::__cxx11::path::_M_find_extension() const' /usr/bin/ld: ../../ggml/src/libggml.so: undefined reference to `std::filesystem::__cxx11::filesystem_error...
#include <filesystem> #include <iostream> namespace fs = std::filesystem; int main() { for(fs::path p : {"/var/tmp/example.txt", "/", "/var/tmp/."}) std::cout << p << " 的父路径为 " << p.parent_path() << '\n'; } 可能的输出: "/var/tmp/example.txt" 的父路...
filesystem::create_hard_link filesystem::create_symlinkfilesystem::create_directory_symlink filesystem::current_path filesystem::exists filesystem::equivalent filesystem::file_size filesystem::hard_link_count filesystem::last_write_time filesystem::permissions filesystem::read_symlink filesystem::remo...
If the filename() component of the generic-format path contains a period (.), and is not one of the special filesystem elements dot or dot-dot, then the extension is the substring beginning at the rightmost period (including the period) and until the end of the pathname. ...
std::experimental::filesystem::path::begin,std::experimental::filesystem::path::end iterator begin()const; (1)(文件系统 TS) iterator end()const; (2)(文件系统 TS) 1)返回指向路径首元素的迭代器。如果路径为空,则返回的迭代器等于end()。