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std::filesy...ectory_path(3) C++ Standard Libary std::filesy...ectory_path(3) NAME std::filesystem::temp_directory_path - std::filesystem::temp_direc- tory_path Synopsis Defined in header <filesystem> path temp_directory_path(); (1) (since C++17) path temp_directory_path( std::error_code& ec ); Returns the directory location suitable for temporary files. Parameters (none) Return value A directory suitable for temporary files. The path is guaranteed to exist and to be a directory. The overload that takes error_code& argument returns an empty path on error. Exceptions The overload that does not take a std::error_code& parameter throws filesystem::filesystem_error on underlying OS API errors, con- structed with path to be returned as the first path argument and the OS error code as the error code argument. The overload taking a std::error_code& parameter sets it to the OS API error code if an OS API call fails, and executes ec.clear() if no errors occur. Any overload not marked noexcept may throw std::bad_alloc if memory al- location fails. Notes On POSIX systems, the path may be the one specified in the environ- ment variables TMPDIR, TMP, TEMP, TEMPDIR, and, if none of them are specified, the path "/tmp" is returned. On Windows systems, the path is typically the one returned by Get- TempPath Example // Run this code #include <iostream> #include <filesystem> namespace fs = std::filesystem; int main() { std::cout << "Temp directory is " << fs::temp_directory_path() << '\n'; } Possible output: Temp directory is "C:\Windows\TEMP\" See also tmpfile creates and opens a temporary, auto-removing file (function) current_path returns or sets the current working directory (C++17) (function) http://cppreference.com 2022.07.31 std::filesy...ectory_path(3)
NAME | Synopsis | Parameters | Return value | Exceptions | Notes | Example | Possible output: | See also
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