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

May throw implementation-defined exceptions.

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';
}

Output:

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

See also

extension returns the file extension path component
(public member function)
returns the stem path component (filename without the final
stem extension)
(public member function)
replace_filename replaces the last path component with another path
(public member function)
has_filename checks if the corresponding path element is not empty
(public member function)