std::filesystem::path::parent_path
From cppreference.com
< cpp | filesystem | path
| path parent_path() const; |
(since C++17) | |
Returns the path to the parent directory.
If has_relative_path() returns false, the result is a copy of *this. Otherwise, the result is a path whose generic format pathname is the longest prefix of the generic format pathname of *this that produces one fewer element in its iteration.
Contents |
[edit] Parameters
(none)
[edit] Return value
The path to the parent directory, or a copy of *this if not has_relative_path().
[edit] Exceptions
May throw implementation-defined exceptions.
[edit] Example
Run this code
#include <filesystem> #include <iostream> namespace fs = std::filesystem; int main() { for (fs::path p : {"/var/tmp/example.txt", "/", "/var/tmp/."}) std::cout << "The parent path of " << p << " is " << p.parent_path() << '\n'; }
Possible output:
The parent path of "/var/tmp/example.txt" is "/var/tmp" The parent path of "/" is "/" The parent path of "/var/tmp/." is "/var/tmp"
[edit] See also
| returns the root-name of the path, if present (public member function) | |
| returns the root directory of the path, if present (public member function) | |
| returns the root path of the path, if present (public member function) |
