std::filesystem::path::filename (3) - Linux Man Pages

std::filesystem::path::filename: std::filesystem::path::filename

NAME

std::filesystem::path::filename - std::filesystem::path::filename

Synopsis


path filename() const; (since C++17)


Returns the generic-format filename component of the path.
Equivalent to relative_path().empty() ? path() : *--end().

Parameters


(none)

Return value


The filename identified by the path.

Exceptions


(none)

Example


// Run this code


  #include <iostream>
  #include <filesystem>
  namespace fs = std::filesystem;


  int main()
  {
      std::cout << fs::path("/foo/bar.txt").filename() << '\n'
                << fs::path("/foo/.bar").filename() << '\n'
                << fs::path("/foo/bar/").filename() << '\n'
                << fs::path("/foo/.").filename() << '\n'
                << fs::path("/foo/..").filename() << '\n'
                << fs::path(".").filename() << '\n'
                << fs::path("..").filename() << '\n'
                << fs::path("/").filename() << '\n'
                << fs::path("//host").filename() << '\n';
  }

Possible output:


  "bar.txt"
  ".bar"
  ""
  "."
  ".."
  "."
  ".."
  ""
  "host"

See also


                 returns the file extension path component
extension (public member function)
                 returns the stem path component
stem (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)