std::filesystem::path::remove_filename

Since C++17

Removes a single generic-format filename component (as returned by filename) from the given generic-format path.

# Declarations

path& remove_filename();

(since C++17)

# Return value

*this

# Example

#include <filesystem>
#include <iostream>
namespace fs = std::filesystem;
 
int main()
{
    fs::path p;
    std::cout << std::boolalpha
              << (p = "foo/bar").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "foo/").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "/foo").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "/").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "").remove_filename() << '\t' << p.has_filename() << '\n';
}

# See also