std::experimental::filesystem::path::remove_filename (3) Linux Manual Page

std::experimental::filesystem::path::remove_filename – std::experimental::filesystem::path::remove_filename

Synopsis

path& remove_filename() (1) (filesystem TS)
Removes a single filename component.
The behavior is undefined if the path has no filename component (has_filename returns false).

Parameters

(none)

Return value

*this

Exceptions

(none)

Example

// Run this code

#include <iostream>

#include <experimental/filesystem>

namespace fs = std::experimental::filesystem;
int main()

{
    std::cout << fs::path("/foo").remove_filename() << '\n'
              << fs::path("/").remove_filename() << '\n';
}

Output:

  "/"
  ""

See also

                 returns the filename path component
filename (public member function)
                 replaces the last path component with another path
replace_filename (public member function)
                 checks if the corresponding path element is not empty
has_filename (public member function)