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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.

[edit] Exceptions

(none)

[edit] Example

#include <iostream>
#include <filesystem>
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"